What's this?
It's a disco and salsa competiton. Why don't you come
along?​

Объяснение:

Disco is a genre of dance music and a subculture that emerged in the 1970s from the United States' urban nightlife scene. Its sound is typified by four-on-the-floor beats, syncopated basslines, string sections, horns, electric piano, synthesizers, and electric rhythm guitars.