We’re seeing a small army of essential box sets come out this fall, but for my money, the most essential of the bunch is The Preservation Hall 50th Anniversary Collection — a four-CD stroll through the storied archives of the Preservation Hall Jazz Band, one of American music’s most vital, enduring institutions. You can’t get your mitts on the discs until September 25, but to whet your appetite, here’s a quick glimpse at some of what’s on offer.

This previously unreleased version of “C.C. Rider” dates from 1981, falling smack in the middle of a track listing that spans the ’60s through the aughts, and includes a number of recordings that were saved and restored following the devastation of Hurricane Katrina. There’s more where this came from, and you need all of it: