James Jason Poyser (born 30 January in Sheffield, Yorkshire) is an English–American multi-instrumentalist, songwriter, record producer and current member of the hip hop band The Roots. Poyser has written and produced songs for various legendary and award-winning artists such as Erykah Badu, Mariah Carey, John Legend, Rihanna, Lauryn Hill, Common, Anthony Hamilton, D'Angelo, The Roots, Jill Scott, and Big Sean.During his career, Poyser has toured and played live with distinctive artists such DJ Jazzy Jeff & The Fresh Prince, Cece Peniston, Jay-Z, Usher, Queen Latifah, Elvis Costello, Aretha Franklin, and Hezekiah Walker. An active session musician, he has contributed to the works of Adele, Norah Jones, Eric Clapton, Al Green, Nas, Ziggy Marley, Citizen Cope, Yebba, Snoh Aalegra, and Femi Ku