'Reactiv-8' is Eris Drew’s composition for fabric presents Octo Octa & Eris Drew. It comes towards the end of the compilation which erupts with joy just before closing out. Written over the course of the summer after a date with Maya (Octo Octa), the track led her to write and record her own lyrics for the first time due to an initial sampling issue. “I was like, okay, ‘I’m going to sing this chipper little tune because I was in the worst human mood possible, I thought everything in my life was ending,” she says, referring to how the song first came to fruition during an overwhelming and anxious period of time.