Some innovations are so powerful they require a separate business to present them. Host Bart Jackson’s guest, musician Lisa Pegher has shattered the old symphonic mold of drummers and percussionists languishing in the orchestra’s back row, like accompanying wallpaper. Noted as one of the top six performers of her generation, the inventive Ms. Pegher has taken her virtuoso percussionist talents out to stage front, in concert of with the nation’s top symphonic orchestras. , Lisa has formed Controlled Chaos, a new band that is in demand in both traditional and avant musical venues,