Whether as a composer or a free improviser, British pianist John Law places his training in Baroque classical music at the service of an elegant, delicate brand of distinctly European-flavored jazz. Law began playing piano at age four and went on to study at the Royal Academy of Music in London, but left classical music to embrace avant-garde jazz in 1986, during his 20s. He first formed a trio called Atlas with bassist Paul Rogers and drummer Mark Sanders, which by the early '90s had become the remainder of the Jon Lloyd Quartet, appearing on several albums. He also struck up...