Boulez: Messagesquisse For Solo Cello And Six Violoncellos Astrig Siranossian, Boulez Ensemble, Daniel Barenboim, And Pierre Boulez 11:29
Boulez: Messagesquisse For Solo Cello And Six Violoncellos (Viola Version) Yulia Deyneka, Boulez Ensemble, François-Xavier Roth, And Pierre Boulez 7:50
