"She's on It" is a song by American hip-hop group the Beastie Boys

Beastie Boys

Beastie Boys are an American hip hop trio from New York City. The group consists of Mike D who plays the drums, MCA who plays the bass, and Ad-Rock who plays the guitar....

. The group's debut single, it was released on the soundtrack to the 1985 film Krush Groove

Krush Groove

Krush Groove is a 1985 Warner Bros. film, written by Ralph Farquhar and directed by Michael Schultz . This film is based on the early days of Def Jam Recordings and up-and-coming record producer Russell Simmons , portrayed by Blair Underwood in his feature film debut...

.

Despite failing to attract commercial success at the time of its release in 1985, a re-release was much more successful, becoming a top ten hit on the UK Singles Chart

UK Singles Chart

The UK Singles Chart is compiled by The Official Charts Company on behalf of the British record-industry. The full chart contains the top selling 200 singles in the United Kingdom based upon combined record sales and download numbers, though some media outlets only list the Top 40 or the Top 75 ...

, and reaching the top fifty in two other European countries.

Charts

Chart (1987)	Peak position
Dutch Singles Chart Mega Single Top 100 The Single Top 100 is a Dutch chart, based on official physical single sales and legal downloads and composed by MegaCharts. It is one of the three official charts, the other two being the Dutch Top 40 and the Mega Top 50. The difference is that these charts also include airplay data.The list is...	23
German Singles Chart	44
UK Singles Chart UK Singles Chart The UK Singles Chart is compiled by The Official Charts Company on behalf of the British record-industry. The full chart contains the top selling 200 singles in the United Kingdom based upon combined record sales and download numbers, though some media outlets only list the Top 40 or the Top 75 ...	10