Browse the shelves for trombone repertoire A large amount of repertoire can be found on the 4th floor of the Waterloo campus library in the following call number ranges. Call Numbers Description M 90 - 94 Trombone alone, i.e. without accompaniment M 262 - 263 Trombone with piano M 1032 Trombone with full orchestra, concertos, etc. M 1033 Trombone with full orchestra, reduced for piano M 1132 Trombone with string orchestra, concertos, etc. M 1133 Trombone with string orchestra, reduced for piano MT 460 - 472 Studies and methods for trombone MT 466 Orchestral excerpts