Ricky Martin, Britney Spears, Barenaked Ladies, 98 Degrees, Jessica Simpson, Mya, Mandy Moore, Son By Four and Third Eye Blind took to the stage of Madison Square Garden Thursday night for the Z-100's Jingle Ball 2000. "We think this show is something positive for teens to come out and enjoy . . . without violence, without drugs and all that negative stuff," Baha Men vocalist Omerit Hield told PEOPLE. The concert benefited the Ronald McDonald House of New York City, Make-A-Wish Foundation and PAX antigun violence movement.