Genus (music) the other hand, also has twelve pitches to the octave, but the semitones are all of the same size. In contrast, the ancient Greek chromatic scale had seven tones to the octave (assuming alternating conjunct and disjunct tetrachords), and had incomposite minor thirds as well as semitones and whole tones. The (Dorian) scale generated from the chromatic genus is composed of two chromatic tetrachords: whereas in modern music theory, a chromatic scale is: The number and nature of the shades of the chromatic genus vary amongst the Greek theorists. The major division is between the Aristoxenians and the Pythagoreans. Aristoxenus
Octave effect as long as the input signal was strong and then continued generating the same frequency while that input signal faded. Octave pedals can be used in conjunction with fuzz (see octafuzz) and/or distortion. It can be used on guitar to make it sound more aggressive (such as the lead-in solo by Prince on When Doves Cry) or sound like a bass. The song Seven Nation Army by The White Stripes features an octave pedal on electric guitar, simulating the sound of a bass. Octave effect Octave effect boxes are a type of special effects unit which mix the input signal