For Solo Flute. Composed by Edgard Varese (1883-1965) and Edgard Var. Woodwind Solo. Ricordi #NR134978. Published by Ricordi (HL.50481056).
Item Number: HL.50481056
ISBN 148030476X. 9x12 inches.
Written in January 1936, at the request of Georges Barrère for the inauguration of his platinum flute. 21.5 is the density of platinum.