Four on the Floor A pattern where the bass drum is hit on every quarter note beat in 4/4 time. Dynamics The volume variations in playing, from soft to loud. Drum Set A collection of drums, cymbals, and other percussion instruments Double Stroke Roll A rudiment consisting of two strokes per hand, alternately Chops A slang term used to refer to a drummer’s technical skill Acoustic Drum Kit A traditional drum set that doesn’t use electronic amplification Crash Cymbal A cymbal used to create a loud, crashing sound Common Time A time signature of 4/4 Click Track An audio pulse used to maintain a consistent tempo Drum Actual USA The Joy of REAL Drumming!