Boulez spent a lot of time with the Cleveland Orchestra, as their Principal Guest Conductor and enjoying annual residencies there. This 8-CD set is heavy on Pierre's fellow Frenchman, with 4 CDs of Debussy ("La Mer," "Trois Nocturnes," "Images," "Printemps" and more) and Ravel (a disc of piano concertos plus "Sheherazade," "Le Tombeau de Couperin," "Pavane" and more). Mahler's fourth and seventh symphonies are here, too, plus Stravinsky's "Le Sacre Du Printemps," "Petrouchka" and more! Deutsche Grammophon.