New releases this week are from a singer songwriter who used to do Something Corporate, a new artist from Philadelphia who fuses jazz with electronica and a superstar rock band who've had a killer year of sucess.

Andrew McMahon, "High Dive" (Crush Music/Vanguard)
Marian Hill, "One Time" (Republic)
X Ambassadors, "Unsteady" (KidinaKorner/Interscope)