(2 Pianos, 4 Hands). Composed by Robert Schumann. Edited by Bernhard R. Appel. For 2 Pianos, 4 Hands. Piano. 108 pages. Schott Music #ED20815. Published by Schott Music

By Carolyn Davenport. For Piano. This edition: 2 copies included. Piano Duo (Two Pianos, Four Hands). Keyboard Ensembles. Latin. Level: Advanced. Published by Alfred Publishing.

For Piano. Classical (orchestral). Includes the printed Warner Bros. score for two pianos, four hands; informative liner notes; and a digital stereo compact disc, voluminously indexed for your convenience, containing a complete version with soloist; then a second performance of the orchestral accompaniment, minus you, the soloist. Includes a bonus second accompaniment version at a slower tempo for learning purposes. Published by Music Minus One.