Cambridge Community Center knows to get out of the way and let good things happen

Merch from the July 28 show at the Cambridge Community Center in the Riverside neighborhood.

Mysteries, bargains and mysterious bargains abound at Planet Records, off Harvard Square.

The record shop contains all the usual treasures, gems and pop culture apocrypha in its shotgun-style interior, stacked neatly into bins organized by alphabet and genre for easy crate-digging adventures.

If you dig deep enough, though, you’ll stumble upon odd artifacts of intriguing, if uncertain, provenance. Items of various dimensions, securely wrapped in the kind of anonymous brown bagging that used to conceal magazines of ill repute back in the days when lusty perverts (sex-positive spin: “empowered self-gratifiers”) had the gumption to get pornography delivered to their doorstep.

I picked up one of th