Rehab

"Rehab" is a song by English singer-songwriter Amy Winehouse, released on 23 October 2006 as the first single from her second studio album Back to Black. It was written by Winehouse and produced by Mark Ronson. The lyrics are autobiographical, and talk about Winehouse's refusal to enter a rehabilitation clinic. It peaked at number 7 in the United Kingdom on the UK Singles Chart and number 9 in the United States on the Billboard Hot 100.

Source: Wikipedia