Mobb Deep, Tony Humphries, Tamia, and more.

Karizma Wednesday: >> Ever since she burst onto the scene with Groove Theory, Amel Larrieux has maintained her status as a top flight vocalist, dabbling in R&B and jazz. She’ll be taking up residence at the Birchmere for two successive nights. $35, 7:30 p.m., also Thursday. Thursday: >> Probably best known for his “Wonder-full” parties, DJ Spinna is a sought-after producer of both house and hip-hop music. He’ll be making two appearances today, the…