Siekmann, Frank H. Concerto : for bass trombone [Música impresa] / by Frank H. Siekmann - [s.l.] : Brelmat Music , cop. 1983 - 1 partitura (20 p.) ; 32 cm + 1 particel.la Per a trombó i piano Subjects--Topical Terms: ConcertsTrombóPianoPartituresParticel.les Universal Decimal Class. No.: CONS