Vitamin D's 50th Birthday Birthday Roast and live performances with guest DJs Hosted by Sweeng One on Saturday, March 22nd   It's the iconic Music Producer, Musical Engineer, Music Instructor, KEXP DJ, Hip-Hop Artist and International DJ, Vitamin D's 50th birthday party at Chop Suey! Vitamin D has actively been DJing, performing and producing music for over 30 years. Come celebrate him on Saturday, March 22nd with a birthday roast, live performances, and guest DJs.