ICEBIRD The Abandoned Lullaby rjselectricalconnections.com Philly’s answer to Gnarls Barkley, Icebird pairs producer and multi-instrumentalist RJD2—known for both his Mad Men theme and string of solo albums—with soul man Aaron Livingston, who’s sung on albums by the Roots, among others. The sound is spaced-out, low-key hip-hop crossed with moody psychedelic soul—a confluence of bumping beats, doo-wop pianos and analog synths. Highlight “Just...