TmrO ™ on Instagram: "We just filmed a new BackTrak with Hit-Boy 🎥 This time he breaks down the making of “1 Train” by A$AP Rocky featuring Kendrick Lamar, Joey Bada$$, Yelawolf, Danny Brown, and Action Bronson. One of the most stacked lyrical tracks of its era, built on pure energy and raw production. Hit-Boy dives into how it all came together and why this record still hits today. Coming soon to the TmrO Network 👀 #HitBoy #ASAPRocky #musicproducer #HipHopCulture"