"Swimming Horses" is a song written and recorded by British rock band Siouxsie and the Banshees. It was co-produced with Mike Hedges

Mike Hedges

-Career:Mike Hedges started as a tape-op at Morgan Studios in London in the late 1970s. Having graduated to engineer, he went freelance in 1981 and became an engineer/producer....

 and was released as the first single from the band's sixth studio album Hyæna

Hyaena (album)

Hyæna is the sixth studio album by English post-punk band Siouxsie and the Banshees, released in 1984. It was re-issued, remastered, and expanded in 2009...

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The song is based on a jaunty, piano

Piano

The piano is a musical instrument played by means of a keyboard. It is one of the most popular instruments in the world. Widely used in classical and jazz music for solo performances, ensemble use, chamber music and accompaniment, the piano is also very popular as an aid to composing and rehearsal...

-driven melody. "Swimming Horses" peaked at number twenty-eight in 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 ...

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The lyrics are about a string issue as Siouxsie explained it :