e/All-interval tetrachord

Information
has gloss	eng: An all-interval tetrachord is a tetrachord, a collection of four pitch classes, from which all six interval classes can be derived by means of various inversions. There are only two possible all-interval tetrachords. In set theory notation, these are [0,1,4,6] and [0,1,3,7]. The interval vector for both all-interval tetrachords is [1,1,1,1,1,1].
lexicalization	eng: all-interval tetrachord
instance of	(noun) a combination of three or more notes that blend harmoniously when sounded together chord

Media
media:img	All-interval tetrachords.png