Piano Expand All + Collapse All - Piano repertoire call number ranges. Browse the shelves for piano repertoireA large amount of repertoire can be found on the 4th floor of the Waterloo campus library in the following call number ranges.Call NumbersDescriptionM 20-32Original music for the pianoM 22Collections by one composerM 23Sonatas by one composerM 27Theme and variations, one composerM 200-213One piano, three, or more handsM 214-216Two or more pianosM 1010Piano concertos, etc. - full scoresM 1011Piano with piano reduction of orchestral partM 1110Piano with string orchestra, concertos, etc.M 1111Piano + pno. reduction of the string orchestra scoreMT 220-258Studies, methods, technique, etc.