Of fundamental importance here is the establishment of the Pythagorean scale
founded on string ratios (2:1 = octave, 3:2 = fifth, 4:3 = fourth, etc.
But this number is also the limma, or leimma, (also called a minor semitone) from the Pythagorean scale
in music theory, which expresses the difference between the minor third and the tone.
Apples leader Robert Schneider claims he has invented a new musical scale, which he has called the Non- Pythagorean Scale