(Easy Instrumental Duets). 22 mega hits in easy duet arrangements for two instrumentalists are featured in this collection: All About That Bass * Brave * Can't Stop the Feeling * Grenade * Hey, Soul Sister * I Will Wait * Poker Face * Say Something * Shake It Off * Shape of You * Story of My Life * and more. Arrangements work for two trombones or can be used with the other brass titles from this series.