Nearly three decades later, the “local artist” has a name. Up until the wife of the man who painted the Big Bat reached out to the Slugger Museum, John Yates’s identity was a mystery.

Not only that, but the band dropped not one, but two singles to get shit rolling: “Two-Headed Trout” and “The Demon of Unreality Limping Like a Dog.” Both tracks are featured in a 10 minute cinematic ...