Otto Junior takes the stage at the Sand Dollar Lounge, that worn-in Vegas institution where blues has been the house language since the 70s. There's no cover charge, no minimum, just a late-night set stretching from 10 to 2 in a room that's hosted everyone from Muddy Waters to Mick Jagger over the decades. The walls have absorbed a lot of sound over the years, and that history gives even a casual weeknight set some weight.

Expect the kind of blues that leans on bent guitar strings and a voice that means it—the twelve-bar backbone of American music played by someone who's clearly logged hours in rooms like this one. The Sand Dollar isn't flashy; it's a dim, unpretentious bar built for drinking and listening, the kind of place where the band is close enough to see the sweat and the crowd is there because they actually want to hear the music, not because it's the thing to do on the Strip that night.