All-interval tetrachord

ID: all-interval-tetrachord

An all-interval tetrachord is a specific arrangement of four distinct musical pitches that encompasses all possible intervals between the notes. In Western music theory, the intervals between four notes can generate a variety of relationships, and an all-interval tetrachord is designed to include each of the six possible intervals (major second, minor third, major third, perfect fourth, perfect fifth, and minor sixth) exactly once.

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