Wolf, M. Kontrabass-Recital Michael Wolf, p1985: label (Michael Wolf) container (American double-bassist, studying in Europe in the mid-1980s)
His Grundlagen der Kontrabass-Technik, c1991, v. 1-2, t.p. (Michael Wolf) v. 1-2, p. 4 of cover (b. 1954 in U.S.; cancer researcher and musician; member of San Diego Symph. Orch.; prof. at Folkwang Conserv.).