A = AccompanimentV = Vocal melody sung (often with M)M = Vocal melody played on pianoP = Pronunciation helpH or L = High Key, Low Key( X or x ) = The exact key of the music
IHSA Ensemble Track Tips
Bass Ensemble = Made of T and BTreble Ensemble = Made of S and AMixed Ensemble = Made of various SATBMuted Tracks = All parts EXCEPT yours, only to be used near the end of the learning process to test your ear