Since the culture of music has changed, would Apparatjik be considered a supergroup? It does contain Guy Berryman from Coldplay, guitarist/keyboardist Magne Furuholmen from A-ha, singer/guitarist Jonas Bjerre of Mew.
Anyway, the group has been around since 2008, but it’s their collabo with Pharrell that has caught my ear. Unlike some Skateboard P collabos, this one actually compliments his vocal stylings to a tee. Check it.