Ayumi Hirusaki - Music for Ballet Class 5 (CD) This is the fifth CD of ballet class music performed by Ayumi Hirusaki, a pianist who currently works primarily with the New National Theatre Ballet, as well as with the Star Dancers Ballet, Architanz, and other ballet companies in Tokyo, for their company classes and rehearsals. This album features a collection of popular pieces that she has played in ballet classes in Paris, Vienna, and Tokyo, particularly favored by dancers.