“Back On The Act” is an unreleased collaboration between Young Sizzle (Southside) and Playboi Carti, which was recorded sometime in 2018. In the song, they address the topic of consuming lean made with Actavis cough syrup.

The song leaked on June 6, 2019, along with “Leg Room,” “LSD,” “Killa,” a demo version of “Not Real,” and versions 2 and 4 of “Shawty In Love.”