(SARATOGA SPRINGS, N.Y.) – On Saturday, June 25 and Sunday, June 26, the Freihofer’s Saratoga Jazz Festival at the Saratoga Performing Arts Center (SPAC) marks its 34th year with a dynamic lineup of more than 20 acclaimed artists and ensembles on two stages, including five-time Grammy-winning R&B singer-songwriter Michael McDonald; the gritty gospel, soul and…