Sometimes confused with rhythmic displacement because there is a shift in the feel or meter. Typically with metric modulation, the music, not just the groove, actually changes or shifts in a permanent fashion, unlike the rhythm displacement which toys with the listeners ear. In metric modulation, the music literally shifts so that, for example, the pulse changes from a quarter-note to (for example) a dotted-eighth-note.

A term used to inform the performer to turn (or throw) the snare wires to the OFF position; no wires touching the snare head.

Disengage the snare wires.

A roll rudiment in which many bounces are achieved per individual stroke of the drumstick. Typically this means three or more bounces with each stroke, as two bounces per stroke would be a Double Stroke Roll.

This roll is considered to be a closed roll which is a type of roll, and should not be confused with the term open/closed, which would be a method by which to interpret the roll. Any roll may be performed in an open or closed fashion, but the term closed, when discussing the rudiment category, is referring to the roll genre.

The Multiple Bounce Roll, being a closed (genre) roll, may be played in an open fashion ala Louie Bellson. The Multiple Bounce Roll should not be confused with the Three-Stroke Roll.

See also Buzz Roll and Press Roll.