John Hollenbeck is featured in multiple recent music releases, including the album Peace and Justice with the Hot Club Jazz Orchestra on Flexatonic, and collaborative projects with artists such as Selma Savolainen, Marquis Hill, Sonia Spinello, and the Stargazers. He also appears in Archive Dreams, a new album by Anna Webber featuring Craig Taborn, Tomeka Reid, and Ches Smith, alongside Helen Sung's debut big band performance.