The Highwaymen

The Highwaymen were an American 1960s "collegiate folk" group. The quintet's version of "Michael, Row the Boat Ashore", a 19th Century African-American work song, released in 1959 under the title "Michael," was a Billboard #1 hit in September 1961. The group scored another Top 20 hit in 1962 with a version of Lead Belly's "Cotton Fields". "Michael" sold over one million copies, achieving gold record status. The group originated at Wesleyan University in Middletown, Connecticut, where its members were undergraduates.

Biography summary from English Wikipedia, photograph via Wikimedia Commons.