A term used to inform the performer to add something to the batter head of a drum in order to decrease the resonance. This is typically something more than just a Moon Gel, like a wallet or handkerchief which makes more of a drastic change in the sound.

An abbreviation for "decibel", which is a unit of measure used to logarithmically express ratios of change in power or signal levels; a measure of sound pressure level.

Decibel is equal to one-tenth of a Bel (named after Alexander Graham Bell).

Playing any groove twice as fast as the regular tempo, while the measures of music continue as normal. This is synonymous with Cut-time feel. The Double-Time Feel is when the groove goes twice as fast; Double-Time (without the word feel) would tell the entire band to play the music twice as fast too.

This terms is used in relation to the pulse of the music, which, 99% of the time, is the quarter-note.

See also cut-time feel