Item is the percussion part from a piano concerto written by Heitor Villa-Lobos and dedicated to Ellen Ballon. The part was copied by Henrique Martins.
Item is a copy of a manuscript composition by Alan Hovhaness, inscribed to Ellen Ballon. The composition is based on an Armenian folktale and is comprised of two movements, each of which imitates Armenian instruments (tmpoog for the first movement and the kanoon and oud in the second movement).