Warren "Slim" Williams (born November 12, 1955) is an American/Canadian jazz-funk pianist and composer. He has released recordings under his own name (That's the One, 1981), (Pulse of the Planet, 2008), with Tchukon, and band he founded with Kat Dyson, and Atomic Glam (with Meredith Marshall, finalist of La Voix in 2013). He won a Gemini Award in 1992 (for his score in Songs In the Key of Oscar, a documentary about Oscar Peterson), and has received a number of other awards and honours. He was part of the Morein Heights studio gang in the 1970s and 1980s, and was (an continues to be) an instrumental figure in the Montreal music scene, especially in the Laurentian Mountains area. He worked actively in the TV/film score composition area, as well as being an actor in a number of feature-length