Oorspronklik: Collage 1. Collage 1. Bertram Turetzky. Double Bass sheet music. For Unaccompanied Contrabass. Composed by Bertram Turetzky.
Vertaling: Double Bass bladmusiek. Vir Unaccompanied kontrabas. Saamgestel deur Bertram Turetzky. Vir Double Bass. Klassieke. Slegs 'n gedeelte.