Doors at 6:30, open seating, beer and wine available, tickets $27 advance / $31 day of show. Since forming in 1988, Tempest has delivered a globally-renowned hybrid of high-energy Folk Rock, fusing Irish reels, Scottish ballads, Norwegian influences and other world music elements. The last 30-plus years have seen the San Francisco Bay Area-based act release eighteen critically acclaimed CDs, and play more than 2,500 gigs. The current line-up of the band features all the original members, performing a variety…