Rare performance footage captures renowned Polish-American pianist Artur Rubinstein playing through a series of unforgettable classics, including "Spinning Song" by Felix Mendelssohn, "Polonaise A-Flat" by Frederick Chopin and "Liebestraum" by Franz Liszt. In one portion of the program, Rubinstein is joined by violinist Jascha Heifetz and cellist Gregor Piatigorsky for a performance of "Trio in B-Flat, 1st Movement" by Franz Schubert.