GRiZ shares chill 4/20 ballad with ProbCause & Jaye Pryme, ‘Smoke That’ GRiZ collaborated with some of his favorites on 4/20, and this is the final product. Stream here. Related Posts: GRiZ and Elohim team up for new single ‘Bring Me Back’ Elements Music & Arts Festival adds GRiZ, TOKiMONSTA, and more to 73-artist 2021 lineup