Premise: "Monkey on My Back" is a song by American hard rock band Aerosmith. Written by lead singer Steven Tyler and lead guitarist Joe Perry, the song was released on the band's 1989 album "Pump". It was released as a promotional single to rock radio in 1990, where it reached No. 17 on the Mainstream Rock Tracks chart.
Hypothesis: Aerosmith's 1989 album "Pump" is the No. 17th best selling album of 1990.