Sonata Humana for Bass Clarinet and Piano by Derek Bermel. PeerMusic, 2002, SS, 21 + 8 pages. Derek Bermel (1967-) is an American composer, clarinetist and conductor. This piece was written in 1990/91 and is in three movements which are distinct in character but share the same melodic material. They are: I. This Beautiful Earth, II. Somewhere, and III. Progress. While the lowest note is an E-flat the highest is altissimo B. There is flutter tonguing and mixed meter. (C2423)