As the house band for Late Night With Jimmy Fallon, the Roots have proven their prowess for performing across genres, from accompanying Carly Rae Jepsen and Mariah Carey with toy instruments to acting as the backup for a legion of the show’s musical guests. Bandleader Questlove has now revealed that they’ve made a collaborative album with legend Elvis Costello. The as-yet-untitled record has yet to be mixed or mastered and does not have a label home, but in an interview with Billboard, Questlove said they’ve recorded a collection of 20 songs, and regarding the work, “I can just say it’s brilliant.” Stayed tuned for more details.