| Mermaid vs Sailor | ||||
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| EP by | ||||
| Released | 23 November 2007 | |||
| Recorded | 2007 | |||
| Genre | Indie pop | |||
| Length | 20:12 | |||
| Label | Self-released | |||
| Producer | Marina and the Diamonds | |||
| Marina and the Diamonds chronology | ||||
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Mermaid vs Sailor is the first extended play by Welsh singer-songwriter Marina Diamandis, released under the stage name Marina and the Diamonds. The EP was independently released on 23 November 2007 and distributed via her official profile on Myspace. It contains six demos recorded by Diamandis at her home and approximately 70 CD-R copies were created. She also distributed the EP to several record labels with the hope that she would secure a contract; she ultimately was signed to 679 Recordings in 2008. The EP is a collection of indie pop tracks that heavily utilise keyboards in their production.
Diamandis wrote and produced all of the six songs that appear on the EP by herself using the computer software program GarageBand. Several of these songs later appeared on other projects by Diamandis, such as her following release The Crown Jewels EP (2009) and debut studio album The Family Jewels (2010). Retrospectively, Mermaid vs Sailor received generally positive reviews from music critics, who felt it was indicative of Diamandis' potential as an artist.