"Tracy" ( sample ) is a song on the Scottish post-rock band Mogwai's 1997 debut album, Mogwai Young Team. The song was written by the band's guitarists Stuart Braithwaite and John Cummings and bassist Dominic Aitchison prior to the 1997 Mogwai Young Team recording sessions.

The song features glockenspiel, guitar, guitar and drums, bookended by a sample from a phone call between Stuart Braithwaite and Will Simon (an employee of the band's American record label, Jet Set) and between the band's drummer Martin Bulloch and Colin Hardie (the band's manager at the time), revolving around a fictional disagreement between Braithwaite and Aitchison. The song differs from the genre the band usually employed at the time, known as "serious guitar music"; instead of being predominantly guitar-based and featuring heavy dynamic contrast, it features a glockenspiel ostinato, remaining dynamically quiet throughout.

"Tracy" received mostly positive reception from music journalists, with album reviews praising the song's quiet dynamics, the usage of varied instrumentation, and the inclusion of the sampled prank calls.

The song, titled "Tracy" after American singer-songwriter Tracy Chapman—whose song, "Fast Car" originally reminded the band of "Tracy" in its early stages—was rarely performed live before being recorded; the only documented performances were on 8 June 1997, at The Leadmill in Sheffield and 12 June 1997 at The Joiners in Southampton—both dates on a tour to promote the recently released 4 Satin EP.

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