Billy Martin of Medeski, Martin & Wood, arguably the most accomplished jam band on the planet, expands his universe in adventurous music-making. Tonight, the drummer joins the contemporary chamber ensemble Alarm Will Sound in their New York premiere of Omnisphere at Brooklyn Steel during Winter Jazzfest . A heavy groove drummer who has never been shy in incorporating exotic sounds — from bamboo rain sticks to Tibetan bowls — Martin is now ready to make his mark in contemporary classical