| "Murphy's Law" | 
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| Released | March 4, 2020 (2020-03-04) | 
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| Genre | 
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| Length | - 3:50 (Edit)
 - 8:00 (Extended Mix)
 - 6:51 (Album version)
 
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| Label | Skint Records | 
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| Songwriter(s) | 
- Róisín Murphy
 
- Richard Barratt
 
- Dean Honer
 
- Michael Ward
  
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| Producer(s) | 
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"Narcissus"  (2019) | 
"Murphy's Law"  (2020) | 
"Something More"  (2020) |  
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"Murphy's Law" is a song recorded by Irish singer Róisín Murphy. It was officially released on 4 March 2020, serving as the fifth single from Murphy's fifth solo studio album, Róisín Machine, released later that year. Written by Murphy, Dean Honer, Michael Ward and Richard Barratt, with song also produced by the latter, "Murphy's Law" lyrically refers to the adage of the same name in a scenario where Murphy unintentionally runs into a former lover.