Ras Muhamad, 33, feels extremely fortunate that he was the only Asian musician invited to perform at the Sierra Nevada World Music Festival at the Mendocino County Fairgrounds in Boonville, California last week. The invitation was actually for last year, but he could not get his American visa on time. "Better late than never," Ras, whose reggae version of his composition Salam wowed the audience, many of them asking for the meaning of the song. In