YoungJ & Boss Ruff – Gun Rule to UDT (Prod. Wayne 616) YoungJ links up with Boss Ruff for “Gun Rule to UDT,” produced by Wayne 616. This record delivers raw street energy, hard-hitting bars, and a dark Michigan inspired sound built for real hip-hop fans. Stream it loud, leave a comment, and let us know who had the hardest verse. Artist: YoungJ & Boss Ruff Song: Gun Rule to UDT Producer: Wayne 616 Follow Boss Ruff for more music, videos, and exclusive drops. @thebossruffgoat_ @youngjbigb_gg1 🔥 Like • Comment • Subscribe • Turn on Notifications #YoungJ #BossRuff #GunRuleToUDT #Wayne616 #michiganRap #HipHop #TrapMusic #UndergroundHipHop #RapMusic #NewMusic #THAIRAP