Amy & the Engine play the Urban Farm Fermentory during an event organized by the Maine chapter of Sofar Sounds, which puts on small, non-advertised, invitation-only shows in homes, stores, garages or other unlikely places. From left are Vinny Da Silva, Manuel Ruiz, Amy Allen, and Luke Niccoli.

Griffin Sherry, a founding member of the Maine chapter of Sofar, exhales a plume of tobacco smoke outside the Urban Farm Fermentory just before the start of a recent show featuring three local bands.

Phil Divinsky, left, and Tom Kasprzak , volunteer organizers for the Sofar chapter in Maine, discuss details before the start of a recent show.

A rapt audience at the Urban Farm Fermentory listens to local band Max Ater and the Marshalls during an event organized by the Maine chapter of Sofar Sounds.

Dark Hollow Bottling Company plays the Urban Farm Fermentory during an event organized by the Maine chapter of Sofar Sounds.

Max Ater and the Marshalls play a Sofar Sounds show at the Urban Farm Fermentory.

Eli Zayer, founder of the Urban Farm Fermentory, perches atop a staircase to watch a performance by Amy & the Engine.