Adagio Formaggio: To play in a slow and cheesy manner.
AnDante: A musical composition that is infernally slow.
Angus Dei: To play with a divine, beefy tone.
Anti-phonal: Referring to the prohibition of cell phones in the concert hall.
Appologgiatura: A composition, solo or instrument you regret playing.
Approximatura: A series of notes played by a performer, not intended by the composer.
Approximento: A musical entrance that is somewhere in the vicinity of the correct pitch.
Bar Line: What musicians form after a concert.
Concerto Grossissimo: A really bad performance.
Dill Piccolino: A wind instrument that plays only sour notes.
Fermantra: A note that is held over and over and over and...
Fermoota: A rest of indefinite length and dubious value.
Frugalhorn: A sensible, inexpensive brass instrument.
Gaul Blatter: A French horn player.
Good Conductor: A person who can give an electrifying performance.
Gregorian Champ: Monk who can hold a note the longest.
Mallade: A romantic song that's pretty awful.
Molto bolto: Head straight for the ending.
Opera buffa: Musical stage production by nudists.
Poochini Musical: performance, accompanied by a dog.
Pre-Classical Conservatism: School of thought which fostered the idea, "if it ain't baroque, don't fix it."
Spritzicato: Plucking of a stringed instrument to produce a bright, bubbly sound, usually accompanied by sparkling water with lemon (wine optional).
Tempo Tantrumo: When a young band refuses to keep time with the conductor.
Vesuvioso: A gradual buildup to a fiery conclusion.