two different bands go by this name:
1)Estonian alternative rock band. All of their music is self-written and in estonian. www.myspace.com/groundhogdayest 2) American alternative rock band featuring Adam Rabin of Mailbox and Scott Stout. Their first album was released in 2000, and they've released 3 albums more (and a retrospective compilation) since. http://www.imadeitup.com/index.cfm/artist/groundhog%20day

Read more about Groundhog Day on Last.fm.