&Fidelity& is a song by American singer-songwriter Regina Spektor, released as the second single from her fourth album Begin to Hope. The song marked Spektor's first Billboard 100 entry and is her most successful track to date. Despite a release date of September 25 (its popular music video was released even earlier), the song did not hit the charts until December. The song was released in the UK as a two-part single on March 12, 2007.
Spektor wrote the song while watching the movie High Fidelity, which is based on a book by Nick Hornby.
In 2009, the song was used with permission as accompaniment to the video, &Don't divorce us&, released by the Courage Campaign against Proposition 8. The video was viewed over 500,000 times in a week. The single was certified gold by the RIAA for sales of 500,000 copies. and single released from her album Begin to Hope which was her most successful single in United States.
The song was also used in ITV's Secret Diary of a Call Girl-Series 1 Episode 4.