As the lights dimmed and the crowd roared at the Lakers halftime show, Giovanni Mazza took center court with a blazing violin cover of “Smooth Criminal” that fused classical fire with hip-hop edge, all while Polo G’s “Bad Man” echoed through the arena. The Laker Girls amped up the energy, but it was Giovanni’s electrifying performance—fresh off his General Hospital fame—that stole the spotlight—let’s watch the video to catch every beat and bow stroke…