My daughter, a band director, passed these along to me. Hope you enjoy them!
A PATELLA — Accompanied by knee-slapping
ACCIDENTALS — Wrong notes
AUGMENTED FIFTH — A 36-ounce bottle
COUNTERPOINT — Type of Baroque punishment
CUT TIME — When you’re going twice as fast as everybody else
DETACH? — An indication that the trombones are to play with their slides removed
ENGLISH HORN — Woodwind that got its name because it’s neither English nor a horn (not to be confused with French Horn, which is German)
FLUTE FLIES — Tiny insects that bother transverse flute players at outdoor gigs
GREGORIAN CHANT — Singing in unison, invented by monks to hide snoring
INTONATION — Singing through one’s nose; considered highly desirable in singing medieval music
METRONOME — Short person who lives in the city
PIZZICATO — A small Italian pie garnished with cheese, anchovies, etc.
SPRITZICATO — Indication to krummhorn players to produce a bright and bubbly sound