Jazz Aspen Snowmass has confirmed the initial lineups for its two annual festivals . The resorts first gathering will take place in Aspen, COs Rio Grande Park from June 21-24, featuring performances by the Black Crowes, Herbie Hancock and Friends, Earth, Wind & Fire, Steve Winwood, Marcus Miller, and Angelique Kidjo, among others. At the other end of the summer, Jazz Aspen Snowmass Labor Day festival will be held from August 31-September 2 in Snowmass Town Park, featuring Ben Harper & the Innocent Criminals, the Allman Brothers Band, Nickel Creek, Joss Stone, Govt Mule, Derek Trucks & Susan Tedeschis Soul Stew Revival, and Jackie Greene, among others. A handful of artists will be added to both festival lineups.