 He also made a recording of a Vivaldi mandolin concerto for a part live-action, part animated film "Looney Tunes Back in Action" (2003).In 1986, he became professor of music and director of the master's and doctoral degree programs in Early Music Performance at the University of Southern California (USC), a post he held until retiring in 2006.Apart from the instruments mentioned, he was considered expert on the Renaissance and Baroque guitars.