A musical arrangement made up (usually collectively) during a performance.
Two cymbals on a single rod that snap together when operated by a foot pedal.
The division of a melody into separate parts for different voices or instruments, resulting in a kind of cross-talk.
An individualized and loose form of unison, especially in early jazz.
A low note played loudly on a reed instrument. (See also overblowing).
Hot jazz (as distinct from the music of sweet bands or commercial music) was a name for early jazz.