There are two artists by this name:
1) Swedish pop folk/electronica artist Johanna Wedin.
2) 舞 (Mai), a Japanese pop singer. Johanna Wedin (SWE) - Vocals, Piano, writer MAI is a mix between folk, pop & electronic music.
The song "En Fait" was released (chosen among 7 000 songs) on the CQFD 2005 various artists from the french magazine Les Inrocks and right after MAI was signed on Nacopajaz!

Read more about Mai on Last.fm.