gregorio
Headphoneus Supremus
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In a single word, “No”. A more nuanced answer would be “sort of” but more in the sense of being inadvertently mathematicians.'All musicians are mathematicians'. Would you agree with this?
Our earliest recorded history of music is actually mathematical, Pythagorean equations of harmonic ratios which led to the Pythagorean tuning system. This caused problems as music evolved and numerous solutions were proposed and competed for a couple of hundred years. TBH it did my head in, some of them were quite mathematically complex. Look up tuning systems and temperaments if you’re interested. Certainly musicians have to be able to count and certainly there is a lot of math underlying the relationship of chords and chord progressions and even the whole structures of pieces but it’s been a point of discussion since well before my time how much composers were actually consciously aware of this and applied actual mathematical equations/formulas. Bach was a good mathematician, took a very active roll in the tuning debate/argument and clearly had a formula/s to aid his composition, whether they were overtly mathematic formulas seems unlikely. Mozart seems to use the “golden ratio” (derived from the Fibonacci sequence) a great deal and his sister was a gifted mathematician, so maybe he did it deliberately. Certainly in the 2nd half of the C20th mathematics came more overtly into the picture. Movements like the “aleatoric” movement employed formulas and math to determine randomness, Philip Glass and others applied math to structure pieces, quite complex set and group theory was applied to analysis of 12 tone and other atonal music and composers like Xenakis went to extremes of applying complex math.
But in general, you can get by quite happily as a musician without knowing much more math than the absolute basics (simple addition and division for example).
G