The grandson of sculptor and singer-songwriter Terry Allen, ACL Fest 2021 marked the first band performance for Calder Allen who learned how to play the guitar during the pandemic to put his poems to music. Song: "Bend in the River" Musician: Calder Allen, vocals, guitar Credits: Audio: Jake Perlman, Cameras: Gabriel C. Pérez, Michael Minasi; Edit: Gabriel C. Pérez; Producers: Deidre Gott