. . _:b4229163 . "Perpetuum mobile" . _:b3642674 . _:b3642675 "Alto" . . . _:b3642675 . _:b3642676 . _:b4229162 "Alto" . _:b3642676 . . _:b3642674 "20 \u00E8me si\u00E8cle - 2 \u00E8me moiti\u00E9" . . _:b3642674 . _:b3642675 . . "Perpetuum mobile" . _:b3642676 "Musique contemporaine" . _:b4229161 "20 \u00E8me si\u00E8cle - 2 \u00E8me moiti\u00E9" . _:b4229163 "Musique contemporaine" . _:b4229162 . _:b4229163 . _:b4229161 . . _:b4229161 . . . _:b4229162 . .