| Composition | Sonata for Two Keyboards, W.A 21 (Bach, Johann Christian) for 2 keyboards |
| Contributors | Heinrich Schwartz, editor |
| Publisher | Steingräber Verlag |
| Languages | — |
| License | Public Domain |
| Published | — |
| Edition | — |
| Parts? | No |
| Selections? | No |
| Vocal score? | No |
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