The "Fiddy Cent Guide" to Understanding Music (for Guitar)

Music is a mysterious place. It is close to being mathematically perfect, but not quite.

Although the original western scales devised by the Greeks were simply multiples of certain lengths of vibrating string, many factors have conspired to make contemporary western scales a little more complicated. For example, to work out the frequency of any note on the piano you would have to apply the following formula:

Pn = Pa(12√2)(n-a)

This would tell you that the frequency of A is 440 Hertz, B is 493....