From Wikipedia, the free encyclopedia. Kathryn Dawn Lang, OC (born November 2, 1961), known by her stage name k.d. lang, is a Canadian pop and country singer-songwriter and occasional actress. She gives her name in lowercase letters, with the given names contracted to initials and no space between these initials. Lang has won both Juno Awards and Grammy Awards for her musical performances; hits include "Constant Craving" and "Miss Chatelaine". She has contributed songs to movie soundtracks and has teamed with musicians such as Roy Orbison, Tony Bennett, Elton John and Anne Murray. Lang is also known for being a vegan as well as an animal rights, gay rights and Tibetan human rights activist. She performed Leonard Cohen's "Hallelujah" live at the opening ceremony of the 2010 Winter Olympics in Vancouver, Canada.     Description above from the Wikipedia article k.d. lang, licensed under CC-BY-SA, full list of contributors on Wikipedia.