Are Tommy Karevik and Ben Gibbard both singers?
Tommy Karevik Tommy Karevik (born November 1, 1981) is a Swedish metal vocalist, best known as the singer for metal bands Seventh Wonder and Kamelot.
Björn Ulvaeus Björn Kristian Ulvaeus (] ) (born 25 April 1945; credited as Björn Ulvæus) is a Swedish songwriter, producer, a former member of the Swedish musical group ABBA (1972–1982), and co-composer of the musicals "Chess", "Kristina från Duvemåla", and "Mamma Mia!". He co-produced the film "Mamma Mia!" with fellow ABBA member and close friend Benny Andersson.