Award-Winning Vocalist Janiva Magness to Perform at Gravity Summit After Party February 22 at The Roxy Theater

Award-Winning Vocalist Janiva Magness to Perform at Gravity Summit After Party February 22 at The Roxy TheaterBEVERLY HILLS, Calif., Feb. 1, 2012 /PRNewswire/ -- Gravity Summit is pleased to announce that award-winning Alligator recording artist Janiva Magness will perform at the 4(th) Annual Gravity Summit after party, which starts immediately following the conference at the exclusive On The Rox