Browse the shelves for euphonium 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 110 Euphonium solos M 270 - 271 Euphonium with piano or continuo M 1034.B37 Euphonium with full orchestra, concertos, etc. M 1035.B37 Euphonium with piano reduction of full score, concertos, etc. M 1134.B37 Euphonium with string orchestra, concertos, etc. M 1135.B37 Euphonium with piano reduction of string orchestra score