You might be thinking of fan-made mashups or "fast" versions often found on Audiomack or YouTube that pair Future’s vocals with other artists.
Since is a solo track by Future from his earlier mixtape era (released around 2013 on projects like Drugs and Freeband General ), it doesn’t actually have an official vocal feature . It's widely considered one of his most emotional and raw solo performances, where he touches on heavy themes of pain, pills, and personal loss . Future - Substitute Everything
However, there are a few ways your request might align with different versions of the song: You might be thinking of fan-made mashups or
While "Substitute Everything" is solo, it appeared on mixtapes hosted by DJ Esco and DJ X-Rated , who may provide intro/outro commentary. and personal loss . However