Sparks to sing at Lag Baomer Prade The popular "Sparks" boys choir under the direction of Danny Finkelman and R' Yossi Goldstein will be performing live on stage at the big parade on Lag Baomer along with MBD, Fried, Lipa, and Uncle Moishe. The sparks will be singing a variety of Chabad Niggunim from their upcoming album. Below is a video clip from a preformance done at a Crown Heights Dinner.