Californian environmentally friendly music festival Sierra Nevada World Music Festival is a conscious festival offering only music with messages of peace, unity and brotherhood.

On the 20th annual festival over 30 positive and roots-oriented artists and bands will perform, including Damian & Stephen Marley, Alpha Blondy, SOJA, Marcia Griffiths, Cornell Campbell, Leroy Sibbles, Max Romeo, Ras Michael, U-Roy, Protoje, Hollie Cook and Prince Fatty. The dancehall will be run by Jah Shaka, Stone Love, Downbeat the Ruler and Comanche High Power.

The Sierra Nevada World Music Festival takes place on June 21-23 at the Mendocino County Fairgrounds located in Boonville, California, U.S.

Advance tickets – $170.00 for three days – are now available online and via mail order.