Ryde, California, May 20, 2008, This June, summer solstice weekend, June 20, 21, & 22, 2008 marks the 15th Anniversary of the Sierra Nevada World Music Festival (SNWMF), an annual world peace and summer solstice celebration. The event takes place in the scenic Anderson Valley in the town of Boonville, California at the Mendocino County Fairgrounds. Some of the world's greatest world, roots, vintage, dancehall, modern reggae and ska artists and sound system DJ's have made their appearances on the Sierra Nevada stages over the years, many of whom make their West Coast festival debut at this hallmark event.