[3] Schoenberg used the hexachord in the song "Seraphita" (op.
[4] 6-Z44 is associated with the character Hauptmann in Alban Berg's Wozzeck.
[5] Each movement of Berg's 1913 Four Pieces for Clarinet and Piano (op.
[6] John Weinzweig uses two minor triads a semitone apart, 6-Z19, and their complement, 6-Z44, in an aggregate chord at the end of "City of Brass" from Wine of Peace as well as in the tone row for his Piano Concerto.
[7] 6-Z44 is one of the "fundamental harmonies in the last movement," of Igor Stravinsky's The Rite of Spring, "Sacrificial Dance".