“I’m a roadhouse singer. My influences have always been the musicians who played the Texas and Louisiana roadhouses and dancehalls along the Gulf Coast,” says Brian Langlinais (LONG-la-nay). He laid out a mission for his sophomore CD, Tonight I Might: “I want to perform and record soulful, passionate, thought-provoking songs—music that moves people to dance.” One listen is all you need to know he accomplished that mission.

It has been four years since Langlinais’ debut CD, Rock & Fire, was...