1977 Angel Stereo/Quadraphonic album recording of Itzhak Perlman (violinist) and Pinchas Zukerman (violist) playing the following: Spohr Duet, Op. 67 No. 2, Wieniawski Etudes caprices Nos. 1 & 2, Handel-Halvorsen Passacaglia, and Leclair Sonata No. 5.