| Composition | Echo (Posch, Isaac) for 2 sopranos, 2 altos, 2 tenors and 2 basses |
| Contributors | Fritz Brodersen, editor |
| Publisher | — |
| Languages | — |
| License | Creative Commons Attribution Non-commercial 3.0 |
| Published | — |
| Edition | — |
| Parts? | No |
| Selections? | No |
| Vocal score? | No |
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