On Lundi Gras, Feb. 20, Trombone Shorty & Orleans Avenue fire up at the House of Blues. Chris Granger / The Times-PicayuneBassist George Porter Jr. plays a free show on Lundi Gras at the Howlin’ Wolf.Bassist George Porter Jr. & Runnin’ Pardners team up with saxophonist Khris Royal & Dark Matter for a free show at the Howlin’ Wolf. The Soul Rebels kick brass at the Blue Nile. Glen David Andrews is featured at d.b.a. Papa Grows Funk does its weekly gig at the Maple Leaf Bar. Quintron and Miss Pussycat preside over a big show at One Eyed Jacks. Mannie Fresh spins at Maison. Egg Yolk Jubilee is paired with R. Scully’s Rough 7 at Siberia Bar. Juvenile presides over Republic New Orleans. The Stooges Brass Band fires up at the Cafe Istanbul Performance Theater. After midnight, R. Scully’s Rough 7 holds court at Checkpoint Charlie. Big Rock Candy Mountain teams with Bantam Foxes at the Circle Bar.