"Sanctuary: 20 Years of Windham Hill" is a two CD set compilation featuring all of Windham Hill's most famous artists and finest tracks from the label's first two decades. The groundbreaking artists on this compilation - including Windham Hill founder Will Ackerman, Michael Hedges, Billy Childs, George Winston, Turtle Island String Quartet, Tim Story, Philip Aaberg, Tuck & Patti, Nightnoise, Douglas Spotted Eagle, Ray Lynch, Mark Isham, and more - have won 35 Grammy Awards between them and sold over 25 million albums.