doo-wop

Etymology
, referring to (mostly) white rock-and-roll groups of the late 1950s and early 1960s. The name is, representing the nonlexical backing vocals of some songs of the genre.

Noun

 * 1) A style of vocal-based rhythm and blues music that was mostly popular within Black Americans of African descent in the mid-1950s to the early 1960s that is best characterized by nonsensical backing vocals with very little to no instrumentation.

Verb

 * 1) To perform music in this style.