Sonata in A major, K.321, L.258
Baroque Sonata Piano solo ~3 min
In brief

This sonata presents a brisk, playful character, with repeated figurations and rhythmic replies that call for crisp articulation and a deliberately incisive sense of direction rather than expansive lyricism. Technically, you will need to work on Analyse harmonique (3.6/5) to quickly identify and project chordal progressions and cadences — this means turning harmonic shifts into clear left‑hand accompaniment patterns and phrasing highlights — and on Ornements baroque (3.1/5), which require precise, rapid finger work to produce trills and small embellishments without upsetting the flow. From a factual standpoint, it belongs to the Baroque keyboard sonata repertoire and sits among Scarlatti's pieces that emphasize instrumental effects and color, commonly using binary forms with lively modulations to explore the instrument's capabilities. I will not suggest a reference recording here because I am not fully certain of a single definitive interpretation for this specific sonata.

MusicCoach difficulty
49/100
Intermediate
Likely range : 37–61/100
Confidence : 38% · to confirm
BeginnerIntermediateAdvancedVirtuoso
Exam grade
About grade 5 to 6

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.

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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Relative difficulty
31%
Among Domenico Scarlatti
34%
Era Baroque
23%
Genre
Estimated skills
Theory
Harmonic analysis
1
Theory
Knowledge of forms
1
Reading
Bass clef reading
1
Ornaments
Baroque ornaments
1
Style
Baroque style
1
Interpretation
Phrasing
1
Rhythm
Dotted rhythms
1
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.

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