Which comes first in song-and-dance movies: The soundtrack or the video?

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In big-budget movies like the Pitch Perfect trilogy that are full of cast singing and dancing to sound-studio tracks, including close-ups with no obvious "lip-synching" breaks:



When the actors are performing a song-and-dance scene, what do they hear? Is there a final or at least "complete" song track piped in for them to synchronize to? Or do they hear something modified – e.g., preliminary soundtrack minus primary vocals, a simple beat track, or something different that facilitates synchronization of the choreography, singing, and post-production?



Also, on set: Do the actors lip-synch, vocalize, or is it up to them which to do in any given take?










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  • This question may be closed as too broad. You are asking multiple questions (e.g. the additional question in your last paragraph). Also, saying "In big-budget movies" means that your question covers ALL musicals, rather than a specific film such as Pitch Perfect (the first one). That will lead to an answer that lists all techniques ever used throughout the history of film. You can probably tighten up your question to ask for the technique used in one film, or possibly the whole Pitch Perfect trilogy (which may have used different techniques under the 3 different directors).
    – BrettFromLA
    1 hour ago






  • 2




    Probably a combination of all of them depending on the requirements. Certainly, as far as I am aware, they are listening to something. It's most likely that the final version will be done post-filming though.
    – Paulie_D
    1 hour ago










  • @BrettFromLA – I just broke out the "add-on question" separately here. Since I don't know if there is are practices common across the industry, the question was intentionally posed to elicit any such answers. In case it varies significantly I offer the specific Pitch Perfect film(s) to admit a good answer.
    – feetwet
    40 secs ago














up vote
4
down vote

favorite
1












In big-budget movies like the Pitch Perfect trilogy that are full of cast singing and dancing to sound-studio tracks, including close-ups with no obvious "lip-synching" breaks:



When the actors are performing a song-and-dance scene, what do they hear? Is there a final or at least "complete" song track piped in for them to synchronize to? Or do they hear something modified – e.g., preliminary soundtrack minus primary vocals, a simple beat track, or something different that facilitates synchronization of the choreography, singing, and post-production?



Also, on set: Do the actors lip-synch, vocalize, or is it up to them which to do in any given take?










share|improve this question























  • This question may be closed as too broad. You are asking multiple questions (e.g. the additional question in your last paragraph). Also, saying "In big-budget movies" means that your question covers ALL musicals, rather than a specific film such as Pitch Perfect (the first one). That will lead to an answer that lists all techniques ever used throughout the history of film. You can probably tighten up your question to ask for the technique used in one film, or possibly the whole Pitch Perfect trilogy (which may have used different techniques under the 3 different directors).
    – BrettFromLA
    1 hour ago






  • 2




    Probably a combination of all of them depending on the requirements. Certainly, as far as I am aware, they are listening to something. It's most likely that the final version will be done post-filming though.
    – Paulie_D
    1 hour ago










  • @BrettFromLA – I just broke out the "add-on question" separately here. Since I don't know if there is are practices common across the industry, the question was intentionally posed to elicit any such answers. In case it varies significantly I offer the specific Pitch Perfect film(s) to admit a good answer.
    – feetwet
    40 secs ago












up vote
4
down vote

favorite
1









up vote
4
down vote

favorite
1






1





In big-budget movies like the Pitch Perfect trilogy that are full of cast singing and dancing to sound-studio tracks, including close-ups with no obvious "lip-synching" breaks:



When the actors are performing a song-and-dance scene, what do they hear? Is there a final or at least "complete" song track piped in for them to synchronize to? Or do they hear something modified – e.g., preliminary soundtrack minus primary vocals, a simple beat track, or something different that facilitates synchronization of the choreography, singing, and post-production?



Also, on set: Do the actors lip-synch, vocalize, or is it up to them which to do in any given take?










share|improve this question















In big-budget movies like the Pitch Perfect trilogy that are full of cast singing and dancing to sound-studio tracks, including close-ups with no obvious "lip-synching" breaks:



When the actors are performing a song-and-dance scene, what do they hear? Is there a final or at least "complete" song track piped in for them to synchronize to? Or do they hear something modified – e.g., preliminary soundtrack minus primary vocals, a simple beat track, or something different that facilitates synchronization of the choreography, singing, and post-production?



Also, on set: Do the actors lip-synch, vocalize, or is it up to them which to do in any given take?







production soundtrack pitch-perfect






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edited 1 hour ago

























asked 2 hours ago









feetwet

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  • This question may be closed as too broad. You are asking multiple questions (e.g. the additional question in your last paragraph). Also, saying "In big-budget movies" means that your question covers ALL musicals, rather than a specific film such as Pitch Perfect (the first one). That will lead to an answer that lists all techniques ever used throughout the history of film. You can probably tighten up your question to ask for the technique used in one film, or possibly the whole Pitch Perfect trilogy (which may have used different techniques under the 3 different directors).
    – BrettFromLA
    1 hour ago






  • 2




    Probably a combination of all of them depending on the requirements. Certainly, as far as I am aware, they are listening to something. It's most likely that the final version will be done post-filming though.
    – Paulie_D
    1 hour ago










  • @BrettFromLA – I just broke out the "add-on question" separately here. Since I don't know if there is are practices common across the industry, the question was intentionally posed to elicit any such answers. In case it varies significantly I offer the specific Pitch Perfect film(s) to admit a good answer.
    – feetwet
    40 secs ago
















  • This question may be closed as too broad. You are asking multiple questions (e.g. the additional question in your last paragraph). Also, saying "In big-budget movies" means that your question covers ALL musicals, rather than a specific film such as Pitch Perfect (the first one). That will lead to an answer that lists all techniques ever used throughout the history of film. You can probably tighten up your question to ask for the technique used in one film, or possibly the whole Pitch Perfect trilogy (which may have used different techniques under the 3 different directors).
    – BrettFromLA
    1 hour ago






  • 2




    Probably a combination of all of them depending on the requirements. Certainly, as far as I am aware, they are listening to something. It's most likely that the final version will be done post-filming though.
    – Paulie_D
    1 hour ago










  • @BrettFromLA – I just broke out the "add-on question" separately here. Since I don't know if there is are practices common across the industry, the question was intentionally posed to elicit any such answers. In case it varies significantly I offer the specific Pitch Perfect film(s) to admit a good answer.
    – feetwet
    40 secs ago















This question may be closed as too broad. You are asking multiple questions (e.g. the additional question in your last paragraph). Also, saying "In big-budget movies" means that your question covers ALL musicals, rather than a specific film such as Pitch Perfect (the first one). That will lead to an answer that lists all techniques ever used throughout the history of film. You can probably tighten up your question to ask for the technique used in one film, or possibly the whole Pitch Perfect trilogy (which may have used different techniques under the 3 different directors).
– BrettFromLA
1 hour ago




This question may be closed as too broad. You are asking multiple questions (e.g. the additional question in your last paragraph). Also, saying "In big-budget movies" means that your question covers ALL musicals, rather than a specific film such as Pitch Perfect (the first one). That will lead to an answer that lists all techniques ever used throughout the history of film. You can probably tighten up your question to ask for the technique used in one film, or possibly the whole Pitch Perfect trilogy (which may have used different techniques under the 3 different directors).
– BrettFromLA
1 hour ago




2




2




Probably a combination of all of them depending on the requirements. Certainly, as far as I am aware, they are listening to something. It's most likely that the final version will be done post-filming though.
– Paulie_D
1 hour ago




Probably a combination of all of them depending on the requirements. Certainly, as far as I am aware, they are listening to something. It's most likely that the final version will be done post-filming though.
– Paulie_D
1 hour ago












@BrettFromLA – I just broke out the "add-on question" separately here. Since I don't know if there is are practices common across the industry, the question was intentionally posed to elicit any such answers. In case it varies significantly I offer the specific Pitch Perfect film(s) to admit a good answer.
– feetwet
40 secs ago




@BrettFromLA – I just broke out the "add-on question" separately here. Since I don't know if there is are practices common across the industry, the question was intentionally posed to elicit any such answers. In case it varies significantly I offer the specific Pitch Perfect film(s) to admit a good answer.
– feetwet
40 secs ago










1 Answer
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This might be a bit broad, and I have no documentary evidence to back things up, but... [my qualification is I am a (retired) professional sound engineer, who now works in the movie industry]



Back in the old "Singin' in the Rain" days, the music would be completed first and the actor would lip-sync to a playback on set.
This was the only way, technically, they could realistically achieve something like sync.



Today, we have software that can move a vocal to match another sound track - notably something called VocAlign Pro [other software is likely also available, but that's the one I know and have used]

This gives you the option of re-aligning the audio of a later-recorded vocal track to the original recorded on the sound stage, so you will never see lip-sync issues. This technique is also used for dialog 'looping' (also known as ADR or dubbing).



Once you have that capability, it ceases to matter which you record first, as you can always go back and time-shift it later.



Practically, it can depend on the state of completeness of the actual song arrangements. The last musical I worked on, all that was set in stone was the song format - verse/chorus/verse etc - all the actual arrangements were still in rough outline. The structures themselves were of course recorded on digital sequencers, so the tempo was nailed solid and could be used as an absolute reference for any later overdubs. So the cast sang to piano/drum arrangements, and everything else will be overdubbed and re-recorded after filming is complete.



Regarding the 'add-on question' - it's better if the actor fully vocalises, i.e. sing it up loud rather than mumble along, as the visual facial/body characteristics will far better match the sound of the final performance.






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    1 Answer
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    active

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    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

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    active

    oldest

    votes








    up vote
    4
    down vote













    This might be a bit broad, and I have no documentary evidence to back things up, but... [my qualification is I am a (retired) professional sound engineer, who now works in the movie industry]



    Back in the old "Singin' in the Rain" days, the music would be completed first and the actor would lip-sync to a playback on set.
    This was the only way, technically, they could realistically achieve something like sync.



    Today, we have software that can move a vocal to match another sound track - notably something called VocAlign Pro [other software is likely also available, but that's the one I know and have used]

    This gives you the option of re-aligning the audio of a later-recorded vocal track to the original recorded on the sound stage, so you will never see lip-sync issues. This technique is also used for dialog 'looping' (also known as ADR or dubbing).



    Once you have that capability, it ceases to matter which you record first, as you can always go back and time-shift it later.



    Practically, it can depend on the state of completeness of the actual song arrangements. The last musical I worked on, all that was set in stone was the song format - verse/chorus/verse etc - all the actual arrangements were still in rough outline. The structures themselves were of course recorded on digital sequencers, so the tempo was nailed solid and could be used as an absolute reference for any later overdubs. So the cast sang to piano/drum arrangements, and everything else will be overdubbed and re-recorded after filming is complete.



    Regarding the 'add-on question' - it's better if the actor fully vocalises, i.e. sing it up loud rather than mumble along, as the visual facial/body characteristics will far better match the sound of the final performance.






    share|improve this answer


























      up vote
      4
      down vote













      This might be a bit broad, and I have no documentary evidence to back things up, but... [my qualification is I am a (retired) professional sound engineer, who now works in the movie industry]



      Back in the old "Singin' in the Rain" days, the music would be completed first and the actor would lip-sync to a playback on set.
      This was the only way, technically, they could realistically achieve something like sync.



      Today, we have software that can move a vocal to match another sound track - notably something called VocAlign Pro [other software is likely also available, but that's the one I know and have used]

      This gives you the option of re-aligning the audio of a later-recorded vocal track to the original recorded on the sound stage, so you will never see lip-sync issues. This technique is also used for dialog 'looping' (also known as ADR or dubbing).



      Once you have that capability, it ceases to matter which you record first, as you can always go back and time-shift it later.



      Practically, it can depend on the state of completeness of the actual song arrangements. The last musical I worked on, all that was set in stone was the song format - verse/chorus/verse etc - all the actual arrangements were still in rough outline. The structures themselves were of course recorded on digital sequencers, so the tempo was nailed solid and could be used as an absolute reference for any later overdubs. So the cast sang to piano/drum arrangements, and everything else will be overdubbed and re-recorded after filming is complete.



      Regarding the 'add-on question' - it's better if the actor fully vocalises, i.e. sing it up loud rather than mumble along, as the visual facial/body characteristics will far better match the sound of the final performance.






      share|improve this answer
























        up vote
        4
        down vote










        up vote
        4
        down vote









        This might be a bit broad, and I have no documentary evidence to back things up, but... [my qualification is I am a (retired) professional sound engineer, who now works in the movie industry]



        Back in the old "Singin' in the Rain" days, the music would be completed first and the actor would lip-sync to a playback on set.
        This was the only way, technically, they could realistically achieve something like sync.



        Today, we have software that can move a vocal to match another sound track - notably something called VocAlign Pro [other software is likely also available, but that's the one I know and have used]

        This gives you the option of re-aligning the audio of a later-recorded vocal track to the original recorded on the sound stage, so you will never see lip-sync issues. This technique is also used for dialog 'looping' (also known as ADR or dubbing).



        Once you have that capability, it ceases to matter which you record first, as you can always go back and time-shift it later.



        Practically, it can depend on the state of completeness of the actual song arrangements. The last musical I worked on, all that was set in stone was the song format - verse/chorus/verse etc - all the actual arrangements were still in rough outline. The structures themselves were of course recorded on digital sequencers, so the tempo was nailed solid and could be used as an absolute reference for any later overdubs. So the cast sang to piano/drum arrangements, and everything else will be overdubbed and re-recorded after filming is complete.



        Regarding the 'add-on question' - it's better if the actor fully vocalises, i.e. sing it up loud rather than mumble along, as the visual facial/body characteristics will far better match the sound of the final performance.






        share|improve this answer














        This might be a bit broad, and I have no documentary evidence to back things up, but... [my qualification is I am a (retired) professional sound engineer, who now works in the movie industry]



        Back in the old "Singin' in the Rain" days, the music would be completed first and the actor would lip-sync to a playback on set.
        This was the only way, technically, they could realistically achieve something like sync.



        Today, we have software that can move a vocal to match another sound track - notably something called VocAlign Pro [other software is likely also available, but that's the one I know and have used]

        This gives you the option of re-aligning the audio of a later-recorded vocal track to the original recorded on the sound stage, so you will never see lip-sync issues. This technique is also used for dialog 'looping' (also known as ADR or dubbing).



        Once you have that capability, it ceases to matter which you record first, as you can always go back and time-shift it later.



        Practically, it can depend on the state of completeness of the actual song arrangements. The last musical I worked on, all that was set in stone was the song format - verse/chorus/verse etc - all the actual arrangements were still in rough outline. The structures themselves were of course recorded on digital sequencers, so the tempo was nailed solid and could be used as an absolute reference for any later overdubs. So the cast sang to piano/drum arrangements, and everything else will be overdubbed and re-recorded after filming is complete.



        Regarding the 'add-on question' - it's better if the actor fully vocalises, i.e. sing it up loud rather than mumble along, as the visual facial/body characteristics will far better match the sound of the final performance.







        share|improve this answer














        share|improve this answer



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        edited 1 hour ago

























        answered 1 hour ago









        Tetsujin

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