Sonata in C major K.545
Sonata Piano solo 6 min
In brief

The C major sonata projects a bright, unaffected clarity with singing motifs and conversational exchanges between right and left hands that require clean, naturally flowing articulation. The skill “Classical style (4.6/5)” here means measured phrasing and balanced articulation: you will need to shape phrases, control attacks and allow cadences to breathe; the skill “Scales and arpeggios (4.6/5)” shows up as rapid, even passagework demanding a relaxed wrist, independent fingers and consistent touch so the runs flow without tension. This work is part of Mozart’s piano sonata output and is representative of the formal balance and elegance of the Classical style.

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Sheet music

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Is this the right work?
MusicCoach difficulty
41/100
Elementary
Likely range : 32–49/100
Confidence : 77% · high confidence
BeginnerIntermediateAdvancedVirtuoso
Exam grade
On the syllabus: Grade 4 ABRSM

Official level, taken from the exam syllabus.

Other syllabi : ABRSM Grade 6 · AMEB Grade 4 · LCM Grade 4

Difficulty estimate by MusicCoach on a scale of 1 to 100.

Where this work sits
050100

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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Difficulty sources
Henle Verlag
5
50/100 normalised · 7 obs.
Henle Verlag
4
38/100 normalised · 4 obs.
MusicCoach curation
Grade 4
36/100 normalised · 2 obs.
Combined exam syllabi
Grade 4
36/100 normalised · 2 obs.
Combined exam syllabi
Grade 6
55/100 normalised
ABRSM (syllabus)
Grade 4
36/100 normalised
Relative difficulty
34%
Among Wolfgang Amadeus Mozart
35%
Era
7%
Genre
Movements and pieces of this work

One rarely plays the whole work: each movement has its own level — often very different from the opus's overall score.

Estimated skills
Technique
Scales and arpeggios
1
Technique
Staccato
1
Style
Classical style
1
Theory
Knowledge of forms
1
Theory
Harmonic analysis
2
Technique
Hand independence
1
Technique
Legato
2
Interpretation
Dynamics
2
Interpretation
Phrasing
2
What to play next?

Each suggestion combines difficulty gap, risk, confidence and skill overlap. The first two cards in each column are the most useful pedagogically.

See the whole progression