[ad_1] noun Popular Music.
- a style of small-group vocal harmonizing, commercialized as a type of so-called street singing in the 1950s, in which words and nonsense syllables are chanted in rhythmic harmony to support the stylized melody of the lead singer.
noun
- rhythm-and-blues harmony vocalizing developed by unaccompanied street-corner groups in the US in the 1950s
1958, from the nonsense harmony phrases sung under the vocal lead (this one attested from mid-1950s).