Effective period / Period of releases: 1969

Members: Berty Kohl, Chris Connors (3), Frank Kohl, Jane Little (2)

American rock quartet based in Montello, WI. Active in the late 1960's. They originally started out as a trio named the 'Entrance To Sound' featuring Egbert Koelbl and brother Frank Koelbl with one other musician, Rex before recording as Underground Sunshine.

Members included:
Berthy Kohl - Bass, Vocals
Frank Kohl - Drums, Vocals
Chris Connors - Guitars, Vocals
Jane Little - Keyboards, Vocals