On October 2, 2015, Tiller released his debut studio album, "Trapsoul", which debuted at number 11 on the US "Billboard" 200 and later reached number eight. The album's second single, "Exchange", peaked at number 26 on the "Billboard" Hot 100 and earned him a Grammy nomination for Best R&amp;B Song. "Sorry Not Sorry", which was released as the third single from "Trapsoul", peaked at number 67 on the "Billboard" Hot 100. The album was included on a number of 2015 year-end lists, such as "Complex"'s The Best Albums of 2015, "The Root"s 10 Favorite Albums of 2015, and PopSugar's The 24 Best Albums of 2015. In 2015, he also co-wrote the track "Proof" for singer Chris Brown's seventh studio album "Royalty".