"Monkey Business" is a hit song by Skid Row. It was the first single from their second album, Slave to the Grind and marked their change from hard-hitting glam metal to overall heavy metal. The song is one of their best known songs. The single was released in 1991 and was written by bandmates Rachel Bolan and Dave "the Snake" Sabo. The song was the biggest hit on Slave to the Grind and although the song didn't make the top 40 it reached #13 on theMainstream Rock Tracks and still gets heavy airplay on rock radio stations. The video got heavy rotation on MTV and catapulted the album to double-platinum status. Along with "Youth Gone Wild" from their first album, it is considered their signature song. The song also charted at number #19 on the UK Singles chart.