Arts Entertaimunt Best Bets Nuns ment and arts festival, featuring 185 fine art exhibitors, national and local talent perform- The Detroit Symphony Orchestra cele- ing on five live music stages, special exhibits brates the start of the 2001-2002 season and entertainment for children, comes to Friday, Sept. 14, with A Gala Opening downtown Pontiac, including Phoenix Playa, Night, a benefit concert featuring the Friday-Monday, Aug. 31-Sept. 3. National DSO with special guest vocalist and headliners include Blues Traveler (Friday), Broadway star Bernadette Peters. A cock- Little Feat (Saturday) and The Spinners tail reception begins at 5:30 p.m., fol- (Sunday), all performing 10 p.m. on the lowed by a sit-down dinner, the 9 p.m. '