Horn Expand All + Collapse All - Browse the shelves for horn 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 80 - 84 horn alone (no accompaniment) M 255 - 259 horn with piano or continuo M 1028 horn with full orchestra, concertos, etc. M 1029 horn with full orchestra - piano reduction M 1128 horn with string orchestra, concertos, etc. M 1129 horn with string orchestra - piano reduction MT 420 - 432 studies and methods for horn MT 426 orchestral excerpts