The band is an ever evolving mixture of original compositions and incredible musicians. Each show has a slightly different lineup and interpretation. The music is a blend of jazz and funk with a cerebral emphasis on groove and improvisation.

Over the years, the Joe Marcinek Band has featured many musicians in its ever-evolving lineup, adopting the superjam format. Musicians involved include Bernie Worrell, Kris Myers, Tony Hall, Jason Hann, Erik "Jesus"Coomes, Jen Hartswick, Natalie Cressman, Mike Greenfield, Steve Molitz and many others.