Touring with Davis made Corea an international star, but he left Davis in 1970 and spent a year in Europe, where he recorded his two classically influenced solo albums, Piano Improvisations, Vols. 1 and 2. In 1971, he formed the avant-garde group, Circle , with Dave Holland (bass), Anthony Braxton (reeds), and Barry Altschul (drums). Circle only lasted a year, but its pioneering abstract jazz was captured on a live double album in Paris and two studio albums...