The only group which I can think of that fits the requirements is the rather obscure band "CirKus"
Genre.
The Romanian group Pasarea Colibri preforms in the folk music genre. This group is a supergroup, or a music group who incorporates already successful solo artists.
The genre of music played by Christion is the rhythm and blues genre. Christion was the first R&B group to be signed with Jay-Z's record group, known as Roc-A-Fella Records.
The Spencer Davis Group records the genre music known as British Beat Group. The Spencer Davis Group was formed in 1963. Their best known single is known as Somebody Help Me.
The music group The Avalanches was formed in 1997. The group consist of Robbie Charter, Tony Diblasi, and Darren Seltmann. The genre of the group is electronic music.
The music group Antony and the Johnsons play music that is part of the genre known as chamber pop. Their debut album is called Antony and the Johnsons and was released in 1998.
itunes classifies them as rock.
Lifehouse is classified as being an alternative rock group.
Journey
Greenday
Try the hip-hop electronica genre.
Frankie Valli sang with the group 'The Four Seasons' and it was early 60s pop music.