"1 Train" is a song by American hip hop recording artist ASAP Rocky from his debut studio album, Long. Live. ASAP (2013). The song was produced by Hit-Boy, and features additional verses from fellow American rappers Kendrick Lamar, Joey Badass, Yelawolf, Danny Brown, Action Bronson and Big K.R.I.T. The song is a posse cut created to feel like an "original '90s underground track." Upon the release of the album, high downloads resulted in the song peaking at number three on the US Billboard Bubbling Under Hot 100 Singles chart.