Watch Cologne Music Triennale: Richard Strauss / Rautavaara (1970) : Full Movie Online Free Recorded at the Cologne Music Triennale, this concert features Wolfgang Sawallisch conducting the Philadelphia Orchestra through a superb program featuring Einojuhani Rautavaara's "Symphony No. 8" and Richard Strauss's "Symphonia Domestica Op. 53." In a special interview, highly acclaimed conductor Sawallisch discusses topics such as contemporary music, American orchestras and interpreting Rautavaara's music.