Musical incipits of Beethoven’s piano sonatas.
| Sonata no. 1 in F minor, op. 2/1 |
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| Sonata no. 8 in C minor, op. 13 (pathétique) |
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| Sonata no. 14 in C♯ minor, op. 27/2 (Moonlight) |
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| Sonata no. 26 in E♭ major, op. 81a (Les adieux) |
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| Sonata no. 32 in C minor, op. 111 |
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