1) moi, real name Ingjerd Østrem Omland, is a Norwegian artist from Rogaland. Her single "After You Sir" took her to the finale of Urørt in 2010. She also won the radiostation P3s cover competiton with her version of Kaizers Orchestras "Hjerteknuser".
She's released two albums; "My Way This Way" (2005) and "Chair-O-Planes Part One" (2011), the first of two mini-albums.
http://www.nrk.no/urort/Artist/Moi/default.aspx
http://www.myspace.com/moiofficial
2) moi, is a pop, guitar pop from Japan.
Official site: http://moimoi.moo.jp/
3) An unknown artist releasing house music on vinyl. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.