Cool and confident about their sizzling musical chemistry, eclectic Ohio based modern/alt rockers Lithium Seven named themselves after a primordial element that only exists in the form of a compound—and like everything in nature, they’re always open to and primed for some fascinating, unexpected musical evolution.

We can’t say the multi-talented foursome didn’t prep us for this. Vocalists and guitarists Shawn and Soren Gormley, multi-instrumentalist Jim Armstrong (vocals, bass, mandolin, ke...