"Definitions:3" joke

music: a complex organizations of sounds that is set down by the composer, incorrectly interpreted by the conductor, who is ignored by the musicians, the result of which is ignored by the audience.
oboe: an ill wind that nobody blows good.
tenor: two hours before a nooner.
diminished fifth: an empty bottle of Jack Daniels.
perfect fifth: a full bottle of Jack Daniels.
ritard: there's one in every family.
relative major: an uncle in the Marine Corps.
relative minor: a girlfriend.
big band: when the bar pays enough to bring two banjo players.
pianissimo: "refill this beer bottle".
repeat: what you do until they just expel you.