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Estimated from our difficulty score, not taken from an exam syllabus. Checked against 333 works on the ABRSM syllabus: the exact grade is right 7 times out of 10, and within one grade 99 times out of 100.
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. We do not yet have a level specific to each of these movements: they carry the opus's level, which does not say which one is the most approachable.
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.
Charles Ives's Piano Sonata No. 1 has an atmosphere of controlled collision: layered figures that seem to bump and slip against each other, producing a soundscape of discontinuity rather than continuous melody. You will face specific challenges in Analysis harmonique (3.6/5) — you must identify and clarify non-functional chord progressions while balancing the voices — and in Polyrhythm 2 against 3 (3.1/5), which requires precise subdivision of pulse and hand/ wrist coordination so both hands maintain independent lines. The work belongs to Ives's modern period and reflects his practice of juxtaposing traditional materials with experimental techniques, marking an early step in his solo piano exploration.