Assertion: scale | /r/MadeOf | only one or two intervals
Facets:
Source sentences:
text: Scales consisting of only one or two intervals (i.e., two or three pitches) can be found throughout the world in monophonic music (that consisting of a single unharmonized melodic line), though they are perhaps most numerous in Ceylon, eastern Siberia, California Indian cultures, and in regions near the Ural Mountains.