https://www.offbeat.com/shop/music/the-iceman-special-dr-dudes-masquerade-parade-ltd-edition-vinyl/

On a recent Sunday night at House of Blues, good vibrations radiated through the room, even though the evening’s headlining act, Arizona jam band Spafford, had yet to take the stage.

Although being mostly ignored is the fate of most opening acts, on this night, the rippling, multi-generational throng on the venue’s Music Hall floor reveled in the songs and sounds emanating from the opener...