Underground Sunshine was an American psychedelic rock band from Montello, Wisconsin. The group's only hit single came in 1969 with their cover of The Beatles' "Birthday". In 1969, brothers Berty (vocals, bass) and Frank (drums) Kohl (née Koelbl) and friend Chris Connors (lead guitar) were performing in a group known as The Entrance To Sound. A local DJ by the name of Jonathan Little took an interest in the group and would be responsible for adding his sister, Jane Little... [more on Wikipedia]