Tonal Patterns ( 平仄 ) is a work for symphony orchestra,[1][2] composed by He Xuntian in 1985.
[3][4] He Xuntian adopted RD Composition (Renyilv Duiyingfa Composition) in his work Tonal Patterns.
[5][6] Tonal Patterns He Xuntian Symphony Works Concert 1988 30.
November 1988, Beijing Concert Hall, Beijing China National Symphony Orchestra[7]