Dan Elkan has appeared on recordings by what American singer who has sold more than 50 million records worldwide?
Norah Jones
Title: Dan Elkan
Passage: Dan Elkan (born September 7, 1978) is an American singer-songwriter and producer, who is best known as the singer and guitarist for the rock band Them Hills.  Elkan has performed live with Broken Bells, Hella and Kim Deal and has appeared on recordings by Hella, Team Sleep, Norah Jones and Zach Hill.  Elkan produced Aaron Ross' 2007 album "Shapeshifter" and tracks for Golden Shoulders' "Get Reasonable" 2009.  Elkan also co-produced Zach Hill & Holy Smokes' "Masculine Drugs" 2004 and Holy Smokes' "Talk to Your Kids about Gangs" 2006 as well as Alela Diane's 2009 album "To Be Still".
Title: Norah Jones
Passage: Norah Jones (born Geetali Norah Shankar; March 30, 1979) is an American singer, songwriter and actress.  She has won numerous awards and has sold more than 50 million records worldwide.  "Billboard" named her the top jazz artist of the 2000–2009 decade.  She has won nine Grammy Awards and was 60th on "Billboard" magazine's artists of the 2000–2009 decade chart.
Title: MC Hammer discography
Passage: MC Hammer or simply Hammer (born Stanley Kirk Burrell) is known for hit records including "U Can't Touch This", "Pray" and "2 Legit 2 Quit" as well as his flashy dance movements, choreography and Hammer pants.  His superstar-status and entertaining showmanship made him a household name and hip hop icon.  Hammer has sold about 30 million albums in the US alone.  He has sold more than 50 million records worldwide, breaking down numerous doors for rap music and demonstrating that hip-hop had the potential for blockbuster success.  A multi-award winner, M.C. Hammer is considered a "forefather/pioneer" and innovator of pop rap (incorporating elements of ), and is the first hip hop artist to achieve diamond status for an album.
Dan Elkan Norah Jones