With inked-up arms and blond hair down to his elbows, Andrew Shelp could pass for a vocalist from a hardcore metal band. Looks can be deceiving, though, as is the case with Shelp, who pilots the local psych-folk band Moss

A battalion of atavistic bands are raising the specter of psychedelic music, painting it black with plural nouns evocative of the netherworld. Saturday night's show at Mad Planet billed two such chthonic acts as bookends with a curious bolt of Call Me Lightning in the center. Promoting their fifth album, Heavy Deavy Skull Lover, The Warlocks performed with a skeleton crew half the size of their original lineup. Despite attenuated personnel and an unfortunate opening slot on a three’s-a-crowd bill, The Warlocks filled the space with brooding, elegiac new material.

Lest there be any question about The Black Angels’ love for the Velvet Underground, the Austin, Texas, sextet not only named itself after the Velvet’s “Black Angel’s Death Song,” but also styled its logo after an iconic image of the Velvet’s one-time singer Nico. Black Angels are thusly lumped in with other VU revivalists . . .