Keri Hilson - Energy Official Music Video

Keri Hilson has been writing music for individual artists since 2001. She has written music for Britney Spears, Toni Braxton, Chris Brown, Mary J. Blige, Usher, Teairra Mari, Ciara, the Pussycat Dolls, Danity Kane , Avant, Ruben Studdard, B5, Diddy, Chingy, LeToya, Ludacris, Rich Boy, Jennifer Lopez, Shawn Desman, Kelly Rowland, Nicole Scherzinger, Lloyd Banks, Keke Palmer, Omarion, Tiffany Evans, and Timbaland. With many of the songs Hilson takes part in writing she also does background vocals, such as in "Runaway Love" and "Wait a Minute".

M.I.A

Mathangi "Maya" Arulpragasam (born 17 July 1977) is a British vocalist, record producer, songwriter/composer and visual artist. She is a Tamilian of Sri Lankan descent. Best known by her stage name, M.I.A., her work in music often features a range of elements of genres.

An accomplished visual artist by 2002, M.I.A. came to prominence in early 2004 through file-sharing of her singles "Galang" and "Sunshowers" on the Internet.[2] In 2005, her debut album, Arular, was nominated for the Mercury Prize. Her second album, Kala, was released in 2007.