One event, two days, and more genres and activities than you can shake a tambourine at. And you can learn how to properly shake a tambourine. The Gig, a “Multicultural Winter Celebration” brings together performances ranging from stilt walkers to pan pipers (and everything beyond and in between), with lessons in becoming culturally inclined yourself. The Gig is Dec 26 & 27, from noon to 4p.m., and we can’t think of a better way to…