"All of the Pieces" is the debut solo single by Australian recording artist Reigan Derry. It was written by Adam Argyle, Becky Hill and Martin Brammer, and produced by Argyle and Brammer. "All of the Pieces" was released to Australian radio on 27 November 2014 as the lead single from Derry's first extended play of the same name. Musically, "All of the Pieces" is a mid-tempo alternative pop ballad with folk influences. The song received a positive reception from various publications and was compared to works by several other artists, including Florence and the Machine, Marina and the Diamonds, Paloma Faith and Ella Henderson. 　　Upon its release, "All of the Pieces" debuted at number thirty-three on the ARIA Singles Chart. The accompanying music video was directed by Gemma Lee and features Derry singing the song's lyrics in a rainforest. "All of the Pieces" was promoted with live performances and used in a Seven Network commercial for the American television series State of Affairs.