Question: Participation dance is a class of dance that encourages dancing in a group such as a song composed by what accordion player in the 1950's?
Sentence (from "Sonny Brogan"): Sonny (Patrick Joseph) Brogan (4 July 1906 – 1 January 1965) was an Irish accordion player from the 1930s to the 1960s, and was one of Ireland's most popular traditional musicians.
Relevant evidence: No