Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
When sieving is used the sieves are arranged at phi scale intervals.
Through the introduction of blue notes, jazz and blues employ scale intervals smaller than a semitone.
The composer and music theorist George Perle calls the whole tone scale interval cycle 2, or C2.
The term microtonal music usually refers to music with roots in traditional Western music that uses non-standard scales or scale intervals.