You never know just what this piano banger might have in store each Homegrown set. It’s usually a visual eyebrow-raiser or cheeky eye-roller to a packed house. Get there early to be like gawkers at an accident scene. Speaking of … Did you know that Gremmels was a “hotdog” skier as a teenager? Gremmels scrimped and saved for 18 months pumping gas, working at a drive-in and resort, and playing drums in a band in order to fund a trip to the Austrian Alps at age 17. Once there, Gremmels survived a deadly avalanche, having been tossed 60 feet and knocked unconscious. It might explain that grin.