MONDAY >> Get your Zydeco just in time for Mardis Gras! CJ Chenier & the Red Hot Louisiana Band bring their Grammy award-winning act to the Birchmere. Whether they play their classic upbeat sound, or their Katrina-inspired latest recordings, it’s sure to be a worthwhile show. 7:30 p.m., $19.50. >> If you prefer the funk, or you just really liked PCU, head to 9:30 for George Clinton and the Parliament Funkadelic Allstars. 7:30 p.m., $40….