APIVOR MANUSCRIPTS (SERIES II). Vol. XXV. 'El silencio ondulado', for guitar solo and chamber orchestra, op. 51; 1972. Full score. Note of first performance, Feb. 1983, on title-page (f. 1). ff. 24. 355 x 254mm.
APIVOR MANUSCRIPTS (SERIES II). Vol. XX. Fantasia contrappuntistica da Ferruccio Busoni; 1940, revised 1946. Ink full score with pencil annotations, some of them conductor's markings. The original version of ApIvor's arrangement for orchestra from the two piano version of Busoni's work, publishe...