Rapping could be described as speaking or singing words at a fast speed over music with quick beats.

VOA: special.2009.10.14

It was a low,dull,quick sound -- much a sound as a watch makes when enveloped in cotton.

VOA: special.2009.02.02

Nothing in Afghanistan happens in a day or as quick as it would in the U.S."

VOA: standard.2009.12.13