DINOSAUR JR., THE URBAN LOUNGE, Sunday, Oct. 14, 9 p.m., $20

Of all the '80s and '90s bands alt-rock reunions that have occurred in the past few years, perhaps the most unlikely is that of Dinosaur Jr. Granted, singer/guitarist J Mascis has kept the name Dinosaur Jr. going pretty much non-stop for the last couple of decades, using a rotating cast of backing musicians. But the classic lineup featuring Mascis, drummer Murph and bassist/singer Lou Barlow exploded early in the band's career, after recording the classic album You're Living All Over Me. Barlow, a fine songwriter himself, felt Mascis ruled the band with an iron fist, and left to form Sebadoh, Folk Implosion and a variety of other projects--often slagging Mascis in the music press along the way. As often happens, the years got all involved to lighten up, and the classic Dinosaur Jr. trio got back together a few years back. They just released their third album since the reunion, the excellent I Bet The Sky, and they're on the road to support it. Last time they were slated to play Salt Lake City, the band was waylaid by a freak early fall snowstorm in Wyoming. Here's hoping the weather stays sane and Mascis and Co. get to Urban Lounge in good time, and good spirits. A word to the wise: If you've never seen Dinosaur Jr., bring earplugs. There might not be a louder band on the planet. Shearwater opens the show.