Emmylou Harris, Alison Krauss & Union Station and Nickel Creek are among the acts booked for two bluegrass festivals in Colorado next summer. In addition to Harris and Krauss, the Telluride Bluegrass Festival lineup includes Sam Bush Band, Chick Corea, Jerry Douglas, Bela Fleck, Chris Thile and Yonder Mountain String Band. It will be held June 21-24 in Telluride. In addition to Nickel Creek, the 35th Rockygrass Festival offers Sam Bush Bluegrass Band, Del McCoury Band, Marty Stuart, Peter Rowan and Tony Rice Quartet, Doyle Lawson & Quicksilver, the Claire Lynch Band and Cherryholmes. It will take place July 27-29 in Lyons. Tickets are currently on sale.