Why is there both a flat and a natural sign in parentheses before this note?

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On Andre Gedalge's Traite de la Fugue book, there is this example, where before the F note, there is both a natural and a sharp sign.



enter image description here



Which one do I choose? And why did the author include both of them?



(there is no key signature)










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  • This is the Greek translation, so is it possible it's a mistake?
    – Shevliaskovic
    1 hour ago










  • What is represented by the separate systems? Different solutions for the same task? Obviously the parentheses can't be courtesy accidentals, and the only alternative I can imagine is choose either one, or alternate between all of them. If this is somehow related to a minor scale, it might be the difference between standard and harmonic minor, but example 3 looks quite chromatic.
    – guidot
    1 hour ago










  • What is the context of this example?
    – Richard
    47 mins ago










  • @Richard there really isn't any context. These are just examples of Subjects with their answers (the answers are on the right, not shown on the pic)
    – Shevliaskovic
    42 mins ago














up vote
3
down vote

favorite












On Andre Gedalge's Traite de la Fugue book, there is this example, where before the F note, there is both a natural and a sharp sign.



enter image description here



Which one do I choose? And why did the author include both of them?



(there is no key signature)










share|improve this question





















  • This is the Greek translation, so is it possible it's a mistake?
    – Shevliaskovic
    1 hour ago










  • What is represented by the separate systems? Different solutions for the same task? Obviously the parentheses can't be courtesy accidentals, and the only alternative I can imagine is choose either one, or alternate between all of them. If this is somehow related to a minor scale, it might be the difference between standard and harmonic minor, but example 3 looks quite chromatic.
    – guidot
    1 hour ago










  • What is the context of this example?
    – Richard
    47 mins ago










  • @Richard there really isn't any context. These are just examples of Subjects with their answers (the answers are on the right, not shown on the pic)
    – Shevliaskovic
    42 mins ago












up vote
3
down vote

favorite









up vote
3
down vote

favorite











On Andre Gedalge's Traite de la Fugue book, there is this example, where before the F note, there is both a natural and a sharp sign.



enter image description here



Which one do I choose? And why did the author include both of them?



(there is no key signature)










share|improve this question













On Andre Gedalge's Traite de la Fugue book, there is this example, where before the F note, there is both a natural and a sharp sign.



enter image description here



Which one do I choose? And why did the author include both of them?



(there is no key signature)







theory accidentals






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 1 hour ago









Shevliaskovic

19.8k1372157




19.8k1372157











  • This is the Greek translation, so is it possible it's a mistake?
    – Shevliaskovic
    1 hour ago










  • What is represented by the separate systems? Different solutions for the same task? Obviously the parentheses can't be courtesy accidentals, and the only alternative I can imagine is choose either one, or alternate between all of them. If this is somehow related to a minor scale, it might be the difference between standard and harmonic minor, but example 3 looks quite chromatic.
    – guidot
    1 hour ago










  • What is the context of this example?
    – Richard
    47 mins ago










  • @Richard there really isn't any context. These are just examples of Subjects with their answers (the answers are on the right, not shown on the pic)
    – Shevliaskovic
    42 mins ago
















  • This is the Greek translation, so is it possible it's a mistake?
    – Shevliaskovic
    1 hour ago










  • What is represented by the separate systems? Different solutions for the same task? Obviously the parentheses can't be courtesy accidentals, and the only alternative I can imagine is choose either one, or alternate between all of them. If this is somehow related to a minor scale, it might be the difference between standard and harmonic minor, but example 3 looks quite chromatic.
    – guidot
    1 hour ago










  • What is the context of this example?
    – Richard
    47 mins ago










  • @Richard there really isn't any context. These are just examples of Subjects with their answers (the answers are on the right, not shown on the pic)
    – Shevliaskovic
    42 mins ago















This is the Greek translation, so is it possible it's a mistake?
– Shevliaskovic
1 hour ago




This is the Greek translation, so is it possible it's a mistake?
– Shevliaskovic
1 hour ago












What is represented by the separate systems? Different solutions for the same task? Obviously the parentheses can't be courtesy accidentals, and the only alternative I can imagine is choose either one, or alternate between all of them. If this is somehow related to a minor scale, it might be the difference between standard and harmonic minor, but example 3 looks quite chromatic.
– guidot
1 hour ago




What is represented by the separate systems? Different solutions for the same task? Obviously the parentheses can't be courtesy accidentals, and the only alternative I can imagine is choose either one, or alternate between all of them. If this is somehow related to a minor scale, it might be the difference between standard and harmonic minor, but example 3 looks quite chromatic.
– guidot
1 hour ago












What is the context of this example?
– Richard
47 mins ago




What is the context of this example?
– Richard
47 mins ago












@Richard there really isn't any context. These are just examples of Subjects with their answers (the answers are on the right, not shown on the pic)
– Shevliaskovic
42 mins ago




@Richard there really isn't any context. These are just examples of Subjects with their answers (the answers are on the right, not shown on the pic)
– Shevliaskovic
42 mins ago










2 Answers
2






active

oldest

votes

















up vote
2
down vote













This is usually done when a double sharp gets lowered back to a sharp.



Like for instance, when you are in a# melodic minor and the Leading Tone note gets raised from the G# in the key signature up to a Gx, now when the descending natural minor form is used now this Gx needs to go back to a G#, so one of the forms of notation for this would be a natural sign followed by a sharp sign.



You also get the notation where just a single sharp is used, but this is ever so slightly ambiguous. I do prefer the notation with the natural sign.






share|improve this answer
















  • 1




    But there are no previous bars, so as to imply something like that and there isn't a key signature either
    – Shevliaskovic
    40 mins ago










  • It could be an excerpt of a piece where this happened and the formatting was kept.
    – Neil Meyer
    37 mins ago






  • 1




    This certainly is the normal use of such a sign, although it appears there wasn't an Fx to cancel. +1.
    – Tim
    8 mins ago

















up vote
1
down vote













Since these are sample fugue subjects, here is my take:



Since these are all examples of motion from scale-degree 5 up to scale-degree 1 in the key of C, they seem to be showing that, in choosing a lower neighbor to G, you can have either F or F♯. Since using F♯ in no way alters the local tonality, you are welcome to use either option.



In some other fugal circumstances—like if these were countersubjects or some other extra contrapuntal material—you may want to shy away from using F♯ if you want to make it extra clear you're in tonic and not moving to the dominant.






share|improve this answer




















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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    2
    down vote













    This is usually done when a double sharp gets lowered back to a sharp.



    Like for instance, when you are in a# melodic minor and the Leading Tone note gets raised from the G# in the key signature up to a Gx, now when the descending natural minor form is used now this Gx needs to go back to a G#, so one of the forms of notation for this would be a natural sign followed by a sharp sign.



    You also get the notation where just a single sharp is used, but this is ever so slightly ambiguous. I do prefer the notation with the natural sign.






    share|improve this answer
















    • 1




      But there are no previous bars, so as to imply something like that and there isn't a key signature either
      – Shevliaskovic
      40 mins ago










    • It could be an excerpt of a piece where this happened and the formatting was kept.
      – Neil Meyer
      37 mins ago






    • 1




      This certainly is the normal use of such a sign, although it appears there wasn't an Fx to cancel. +1.
      – Tim
      8 mins ago














    up vote
    2
    down vote













    This is usually done when a double sharp gets lowered back to a sharp.



    Like for instance, when you are in a# melodic minor and the Leading Tone note gets raised from the G# in the key signature up to a Gx, now when the descending natural minor form is used now this Gx needs to go back to a G#, so one of the forms of notation for this would be a natural sign followed by a sharp sign.



    You also get the notation where just a single sharp is used, but this is ever so slightly ambiguous. I do prefer the notation with the natural sign.






    share|improve this answer
















    • 1




      But there are no previous bars, so as to imply something like that and there isn't a key signature either
      – Shevliaskovic
      40 mins ago










    • It could be an excerpt of a piece where this happened and the formatting was kept.
      – Neil Meyer
      37 mins ago






    • 1




      This certainly is the normal use of such a sign, although it appears there wasn't an Fx to cancel. +1.
      – Tim
      8 mins ago












    up vote
    2
    down vote










    up vote
    2
    down vote









    This is usually done when a double sharp gets lowered back to a sharp.



    Like for instance, when you are in a# melodic minor and the Leading Tone note gets raised from the G# in the key signature up to a Gx, now when the descending natural minor form is used now this Gx needs to go back to a G#, so one of the forms of notation for this would be a natural sign followed by a sharp sign.



    You also get the notation where just a single sharp is used, but this is ever so slightly ambiguous. I do prefer the notation with the natural sign.






    share|improve this answer












    This is usually done when a double sharp gets lowered back to a sharp.



    Like for instance, when you are in a# melodic minor and the Leading Tone note gets raised from the G# in the key signature up to a Gx, now when the descending natural minor form is used now this Gx needs to go back to a G#, so one of the forms of notation for this would be a natural sign followed by a sharp sign.



    You also get the notation where just a single sharp is used, but this is ever so slightly ambiguous. I do prefer the notation with the natural sign.







    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered 48 mins ago









    Neil Meyer

    8,47622548




    8,47622548







    • 1




      But there are no previous bars, so as to imply something like that and there isn't a key signature either
      – Shevliaskovic
      40 mins ago










    • It could be an excerpt of a piece where this happened and the formatting was kept.
      – Neil Meyer
      37 mins ago






    • 1




      This certainly is the normal use of such a sign, although it appears there wasn't an Fx to cancel. +1.
      – Tim
      8 mins ago












    • 1




      But there are no previous bars, so as to imply something like that and there isn't a key signature either
      – Shevliaskovic
      40 mins ago










    • It could be an excerpt of a piece where this happened and the formatting was kept.
      – Neil Meyer
      37 mins ago






    • 1




      This certainly is the normal use of such a sign, although it appears there wasn't an Fx to cancel. +1.
      – Tim
      8 mins ago







    1




    1




    But there are no previous bars, so as to imply something like that and there isn't a key signature either
    – Shevliaskovic
    40 mins ago




    But there are no previous bars, so as to imply something like that and there isn't a key signature either
    – Shevliaskovic
    40 mins ago












    It could be an excerpt of a piece where this happened and the formatting was kept.
    – Neil Meyer
    37 mins ago




    It could be an excerpt of a piece where this happened and the formatting was kept.
    – Neil Meyer
    37 mins ago




    1




    1




    This certainly is the normal use of such a sign, although it appears there wasn't an Fx to cancel. +1.
    – Tim
    8 mins ago




    This certainly is the normal use of such a sign, although it appears there wasn't an Fx to cancel. +1.
    – Tim
    8 mins ago










    up vote
    1
    down vote













    Since these are sample fugue subjects, here is my take:



    Since these are all examples of motion from scale-degree 5 up to scale-degree 1 in the key of C, they seem to be showing that, in choosing a lower neighbor to G, you can have either F or F♯. Since using F♯ in no way alters the local tonality, you are welcome to use either option.



    In some other fugal circumstances—like if these were countersubjects or some other extra contrapuntal material—you may want to shy away from using F♯ if you want to make it extra clear you're in tonic and not moving to the dominant.






    share|improve this answer
























      up vote
      1
      down vote













      Since these are sample fugue subjects, here is my take:



      Since these are all examples of motion from scale-degree 5 up to scale-degree 1 in the key of C, they seem to be showing that, in choosing a lower neighbor to G, you can have either F or F♯. Since using F♯ in no way alters the local tonality, you are welcome to use either option.



      In some other fugal circumstances—like if these were countersubjects or some other extra contrapuntal material—you may want to shy away from using F♯ if you want to make it extra clear you're in tonic and not moving to the dominant.






      share|improve this answer






















        up vote
        1
        down vote










        up vote
        1
        down vote









        Since these are sample fugue subjects, here is my take:



        Since these are all examples of motion from scale-degree 5 up to scale-degree 1 in the key of C, they seem to be showing that, in choosing a lower neighbor to G, you can have either F or F♯. Since using F♯ in no way alters the local tonality, you are welcome to use either option.



        In some other fugal circumstances—like if these were countersubjects or some other extra contrapuntal material—you may want to shy away from using F♯ if you want to make it extra clear you're in tonic and not moving to the dominant.






        share|improve this answer












        Since these are sample fugue subjects, here is my take:



        Since these are all examples of motion from scale-degree 5 up to scale-degree 1 in the key of C, they seem to be showing that, in choosing a lower neighbor to G, you can have either F or F♯. Since using F♯ in no way alters the local tonality, you are welcome to use either option.



        In some other fugal circumstances—like if these were countersubjects or some other extra contrapuntal material—you may want to shy away from using F♯ if you want to make it extra clear you're in tonic and not moving to the dominant.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 43 mins ago









        Richard

        32.5k671137




        32.5k671137



























             

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