Choral Choir (TB) - Level 3 - Digital Download SKU: A0.1114552 By Fall Out Boy. By Andrew Hurley, Butch Walker, John Hill, Joseph Trohman, Patrick Stump, and Peter Wentz. Arranged by Matthew Udland. Contemporary,Pop,Rock,Singer/Songwriter,Standards. Octavo. 16 pages. Midwest A Cappella #716415. Published by Midwest A Cappella (A0.1114552). The Fall Out Boy hit My Songs Know What You Did in the Dark (Light em up) is set for Tenor and Bass chorus with piano and optional band. Optional band parts include Drum Kit, Bass Guitar, Synth, and Electric Guitar. It's high energy and tons of fun for your T/B ensemble!