Aaron Out, "Wawa Hoagies." The Abington High grad and novice rapper explores, with help from beat-maker irCasim, the existential dilemma of whether to satisfy the munchies with a 2 a.m. turkey, roast beef, or bologna Shorti. Next year's Grammy song of the year? Probably.

Noura Mint Seymali. Powerfully voiced Mauritanian griot who plays a harp-like instrument called the ardin and whose husband, Jeiche Ould Chighaly, is a fiery electric guitarist. Sunday at the Crossroads Music Series at the Calvary Center in West Philadelphia.

Low Cut Connie, “Revolution Rock n Roll.” Ribald and raucous stomp from Barack Obama’s favorite Philly band, with a risque black-and-white video directed by Chris Suspect shot at the Trocadero in Chinatown. First single from Dirty Pictures (part 1), due in May on Contender Records.    

Nikki Lane. South Carolina native rebel country songwriter and bandleader who’s in fine form on her third album, Highway Queen, in which she sings of “an Atlantic City rendezvous” while going on a gambling spree on the current single “Jackpot.” Tuesday at Underground Arts.

Noname. Chicago slam poet, rapper, and close associate of best new artist Grammy winner Chance the Rapper, with whom she appeared on Saturday Night Live in December. With Ravyn Lenae. Wednesday at the World Cafe Live.