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Public-domain sheet music on IMSLP ↗
Official level, taken from the exam syllabus.
Other syllabi : RCM Grade 10 · AMEB Grade 8
Difficulty estimate by MusicCoach on a scale of 1 to 100.
Most works cluster between 45 and 65: a small score gap often marks a real step. The highlighted bar shows this work among those for the same instrument.
The MusicCoach difficulty measures a work's overall demands (technique, reading, stamina) on a shared 0-100 scale, consolidated from editorial and pedagogical reference points (Henle, exam syllabuses, curation) and our own analyses. It measures neither musical value nor the practice time YOU will need: two musicians of the same level can experience the same work very differently depending on their strengths (hands used to octaves, quick sight-reading…). The confidence reflects how many reference points sit behind the score and how well they agree — a lightly documented score is flagged “to validate”. For a truly personal bearing, the diagnostic and your space compare each work to YOUR estimated level, which the score alone cannot do.
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This rating is computed automatically from heterogeneous sources. It gets things wrong, sometimes badly. If you know this work, your answer is worth more than our computation: it tells us which ratings to review.
One rarely plays the whole work: each movement has its own level — often very different from the opus's overall score.
Each suggestion combines difficulty gap, risk, confidence and skill overlap. The first two cards in each column are the most useful pedagogically.
The safest next step.
A genuine step up, without a jolt.
A useful leap with guided practice.
This C minor Sonata feels tense and dramatic, driven by sharp attacks, abrupt contrasts and a sense of forward urgency rather than lyrical repose. Technically you will face prominent Octaves (4.4/5), which here require wrist and forearm stability to keep tuning and tone without tension, and fast Passages (4.4/5), which call for economical finger motion and even articulation to preserve clarity across jumps and hand changes. In context, it is a piano sonata listed as K.457 and thus part of Mozart's body of keyboard sonatas; no specific period of composition is provided, so it should be treated as part of his sonata output without asserting a dating. I do not give a recording recommendation because I am not certain enough to cite a specific authoritative performance for this exact work.