Piano Concerto A minor Op. 16 (2 Pianos, 4 Hands). By Edvard Grieg. Edited by Einar Steen-N�kleberg and Einar Steen-N. For Piano Duet, 2 Pianos, 4 Hands. 2 Pianos, 4-hands. Henle Music Folios. Pages: VII and 63.