Billy Joel and Elton John will be co-headlining another big tour together. Having collaborated since 1994, the pair’s most recent tour in 2003 was a big with with both critics and fans; selling out every night of the 24-date jaunt. Joel and John will be playing songs separately, as well as joining in a number of duets. The shows will all be in enclosed arenas, and should be prices similarly to the ’03 tour. Details and dates have not been revealed yet.