Pro Jam at the Sand Dollar Lounge is a loose, no-cover gathering where working musicians drop in to play together on a stage that's hosted blues legends since the 1970s. The vibe is unpretentious - a weeknight hang where the music happens because people showed up to make it happen, not because of a big production. Expect a room full of regulars, players who know each other from the circuit, and anyone else who wanders in off the Strip looking for something real.

The Sand Dollar's reputation as one of the city's longest-running live music dives gives this jam session some weight - you're playing or listening in the same room where Muddy Waters and B.B. King once performed. It's a 21-and-up crowd, free to walk in, and built around musicianship rather than spectacle. If you're into watching skilled players feed off each other in a small, unfussy room, this is the kind of night that rewards showing up without expecting much fanfare.