<Tr> <Th> Label </Th> <Td> Decca Broadway </Td> </Tr> <Tr> <Th> Songwriter (s) </Th> <Td> Stephen Schwartz </Td> </Tr> <P> "Defying Gravity" is the signature song from the musical Wicked, composed by Stephen Schwartz, originally recorded by Idina Menzel and Kristin Chenoweth on May 10, 2003, and released on December 16, 2003 . It is mostly a solo sung by the main character of the show, Elphaba (the Wicked Witch of the West), with two small duets at the beginning and in the middle of the song between Elphaba and her friend Glinda, and a chorus part at the end in which the citizens of Oz sing . It was performed on the BBC television programme I'd Do Anything, and as a result the song charted at no . 60 on the official UK Singles chart . </P> <Table> <Tr> <Td> </Td> <Td> This section does not cite any sources . Please help improve this section by adding citations to reliable sources . Unsourced material may be challenged and removed . (July 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table>

Who is the original singer of defying gravity
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