This work for solo flute was composed for Georges Barrère in 1936 and then revised 10 years later. The title comes from Barrère’s new platinum flute, the density of platinum being 21.5 grams per cubic centimeter.
Lyrics for this song have yet to be released
Density 21.5 was written by Edgard Varèse.
Edgard Varèse released Density 21.5 on Wed Jan 01 1936.