CD reviews: The once and future Leo Ornstein.

Ornstein: Piano Quintet and String Quartet. Marc-André Hamelin, piano; Pacifica Quartet. Hyperion.The story of Leo Ornstein is one of the most remarkable in American music. By the time his family fled the anti-Semitic pogroms in their native Ukraine, the young pianist and composer had already studied under Glazunov at the St. Petersburg Conservatory. In New York, he made a successful recital debut in 1911 -- and then became, within a few years, an enfant terrible of the avant-garde. Championing...