Listen to Unknown Variables Ahead  online. Unknown Variables Ahead  is an English language song and is sung by Kentyah, M1, Brian Jackson and The New Midnight Band. Unknown Variables Ahead , from the album Evolutionary Minded -Furthering the Legacy of Gil Scott-Heron (Kentyah Presents M1, Brian Jackson & The New Midnight Band), was released in the year 2013. The duration of the song is 0:46. Download English songs online from JioSaavn.