Sonate for Clarinet (in A) and Piano by Rolf Thomas Lorenz. Hofmeister, 2005, SS, 11 + 4 pages. Rolf Thomas Lorenz (1959-) is a German composer and clarinet teacher. This is a contemporary piece in three movements all of which have some mixed meter. The first two movements include multiphonics with German system fingerings given. There are a number of short cadenzas throughout the piece. College level. (C1378)