György Ligeti: Musica ricercata (1951-53), excerpts


Global structural feature of Musica ricercata is confines to only certain pitch classes in each movement, with each subsequent movement having exactly one more pitch class than the last.


I:
A, D


-


II:
E♯, F♯, G



-


IV:
A, B♭, F♯, G, G♯



-


VII:
A♭, A, B♭, C, D, E♭, F, G