Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
I was wondering how much the music changes pitch when a 33⅓ record is played at 45 RPM or vice versa. Looks like the interval is close to a perfect fourth (5 semitones).
5.2 ~ log(45/(100/3))/log(2**(1/12))
#math #music #musictheory #vinyl #hifi
