Kathryn Dawn Lang (born November 2, 1961), known by her stage name K.D. Lang (stylized in all-lowercase as k.d. lang), is a Canadian pop and country singer-songwriter and occasional actress.
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 collaborated with musicians such as Roy Orbison, Tony Bennett, Elton John, Anne Murray, Ann Wilson, and Jane Siberry.Lang is also known for being an animal rights, gay rights, and Tibetan human rights activist. She is a tantric practitioner of the old school of Tibetan Buddhism. She performed Leonard Cohens Hallelujah live at the opening ceremony of the 2010 Winter Olympics in Vancouver, British Columbia. Previously, she had performed at the closing ceremony of the 1988 Winter Olympics in Calgary, Alberta. Lang possesses the vocal range of a mezzo-soprano.