Rae Sremmurd's Sremmlife Crew have announced a new mixtape Trailmix, which is set for delivery on March 15 and will feature contributions from each member of the ecclectic gang like Slim Jxmmi, Swae Lee, Riff 3x, BoBo Swae, Impxct, and D-JaySremm. Leading up to the tape's release, they've unveiled 'Doggin,' a collab enlisting Slim Jxmmi, Swae Lee, Riff 3x, and producer TL on the Beat.