Everybody needs a hand now and then, so when tattoo artist Jeff Gemma, late of Secret Society Tattoo, needed a little help getting his shop back up and running, some of his rocker friends were more than happy to help him out. The benefit will feature rock favorites and Tester, Frnemy, Sinn and an acoustic set from Sean McGorty.

What: Jammin’ for Gemma benefit
When: 8 p.m. Jan. 6
Where: The Cove Music Hall, 89 Green St., Worcester
How much: $10