The Brian Setzer Orchestra is a musical group led by guitarist and vocalist Brian Setzer, known for blending rockabilly, swing, and big band music. Formed in the late 1990s, the orchestra features a mix of brass instruments, rhythm section, and Setzer's signature guitar style, creating a lively and energetic sound. Setzer, who gained fame as the frontman of the band Stray Cats, has been influential in reviving interest in swing music. The orchestra has released several albums and is recognized for its dynamic live performances, often incorporating elements of jazz and rock into their shows.