| Composer(s): | Edgard Varèse (22 Dec 1883 - 06 Nov 1965) |
| Work identifier: | M2353 |
| Real Name: | Density 21.5 |
| Display Name: | Density 21.5 |
| Composed: | c. 1936 |
| First Performed: | 16 Feb 1936 |
| Genre: | Instrumental |
| Genre Type: | Piece |
| Period: | 20th century |
| Instrumentation: | Flute |
| Composer(s): | Edgard Varèse (22 Dec 1883 - 06 Nov 1965) |
| Recording identifier: | M2147488918 |
| Real Name: | Density 21.5 |
| Display Name: | Density 21.5 |
| Composed: | c. 1936 |
| First Performed: | 16 Feb 1936 |
| Genre: | Instrumental |
| Genre Type: | Piece |
| Period: | 20th century |
| Instrumentation: | Flute |
| Soloists: | Helmut Reissberger (Flute) |
| Label: | Vox |
| Catalogue Number: | CDX 5142 |
| CD Media ID: | 5420 |