Bill Frisell launches the Crossing the Line 2012 festival in FIAF’s newly renovated Florence Gould Hall with a rare concert that unites two of his seminal groups, the 858 Quartet, featuring Eyvind Kang on viola, Hank Roberts on cello, and Jenny Scheinman on violin, and Beautiful Dreamers, a trio featuring Eyvind Kang on viola and Rudy Royston on drums.