Some people take recreational drugs for spiritual enlightenment, others just to lighten up — to shed their stressful daily routines and rediscover the fun and unencumbered wonder that came with being a kid. The madcap music of Animal Collective, a psychedelic band for all seasons, suggests the two are not so far apart. Just as the trance-triggering whorls of droning, electro-tribal noise are activating campfire animations, out crops an ecstatic hook that makes you want to race-climb the tallest tree in sight. The fluid quartet revels in consuming, subsuming and reinventing the classics: a primitive drum circle, infiltrated by introspective pop extroverts John Lennon and Brian Wilson, filtered through a club-cultured DJ prism, transposed into Muppet sock puppetry. Last year, absent pseudo-frontman/dub-choirboy Panda Bear (Noah Lennox), the remaining members — childhood friends Avey Tare (David Portner), Geologist (Brian Weitz) and Deakin (Josh Dibb) — performed a one-off show in Miami Beach titled Coral Orgy, a paean to the sexual aquaculture of coral reefs co-produced with marine-biology media company Coral Morphologic. This two-night gig is a sort-of sequel, subbing out the underwater freak-ons for a surely freaky Bywater seance of site-specific compositions. Tickets $35. At 6:30 p.m. Friday-Saturday. The Music Box Village, 4557 N. Rampart St.; www.musicboxvillage.com.