Repertoire › Sonata for Piano with 4 Hands in C major, K. 521: III. Allegretto › What to play next
What to play after Sonata for Piano with 4 Hands in C major, K. 521: III. Allegretto ?
Wolfgang Amadeus Mozart · difficulty 50/100

Choose your level of commitment: consolidate, move up a tier or prepare a challenge. The top-ranked cards combine difficulty, risk, shared skills and confidence.

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Gentle step

The safest next step.

Gentle
Sonata in D major, K.381
Wolfgang Amadeus Mozart
55/100 +5 pts 5-10 weeks
close skills low risk to confirm
A short step up, staying in Intermediate (around grade 6 ABRSM/RCM). The skill that will carry the work: Connaissance des formes and Style classique — understand the form and the harmony before memorising, or memory collapses the moment you play for someone.
Gentle
Keyboard Sonata in A major, Wq. 89, no. 3, H.527
Carl Philipp Emanuel Bach
55/100 +5 pts 5-10 weeks
close skills low risk to confirm
A short step up, staying in Intermediate (around grade 6 ABRSM/RCM). The skill that will carry the work: Connaissance des formes and Style classique — understand the form and the harmony before memorising, or memory collapses the moment you play for someone.
Gentle
Piano Sonata no. 10 in G major, op. 14 no. 2
Ludwig van Beethoven
55/100 +5 pts 5-10 weeks
close skills low risk to confirm
A short step up, staying in Intermediate (around grade 6 ABRSM/RCM). The skill that will carry the work: Connaissance des formes and Indépendance des mains — understand the form and the harmony before memorising, or memory collapses the moment you play for someone.
Gentle
Keyboard Sonata in C major, Wq.90, no. 3, H.524
Carl Philipp Emanuel Bach
57/100 +7 pts 5-10 weeks
close skills low risk to confirm
A short step up, staying in Intermediate (around grade 6 ABRSM/RCM). The skill that will carry the work: Connaissance des formes and Style classique — understand the form and the harmony before memorising, or memory collapses the moment you play for someone.
Balanced step

A genuine step up, without a jolt.

Balanced
Sonata in C major, K.521
Wolfgang Amadeus Mozart
60/100 +10 pts 12-24 weeks
close skills moderate risk to confirm
A real step up, staying in Intermediate (around grade 6 ABRSM/RCM). The skill that will carry the work: Connaissance des formes and Style classique — understand the form and the harmony before memorising, or memory collapses the moment you play for someone.
Balanced
Keyboard Sonata in D minor, Wq. 112/7, H.179
Carl Philipp Emanuel Bach
59/100 +9 pts 10-20 weeks
close skills moderate risk to confirm
A real step up, staying in Intermediate (around grade 6 ABRSM/RCM). The skill that will carry the work: Connaissance des formes and Style classique — understand the form and the harmony before memorising, or memory collapses the moment you play for someone.
Balanced
Keyboard Sonata in D minor, Wq.69, H. 53
Carl Philipp Emanuel Bach
58/100 +8 pts 10-20 weeks
close skills moderate risk to confirm
A real step up, staying in Intermediate (around grade 6 ABRSM/RCM). The skill that will carry the work: Connaissance des formes and Style classique — understand the form and the harmony before memorising, or memory collapses the moment you play for someone.
Ambitious challenge

A useful leap with guided practice.

Challenge
Piano Sonata no. 18 in D major, K.576
Wolfgang Amadeus Mozart
69/100 +19 pts 24-48 weeks
close skills high risk to confirm
An ambitious leap into Advanced (around grade 7 ABRSM/RCM) — only worth starting if the practice time is really there. The skill that will carry the work: Connaissance des formes and Style classique — understand the form and the harmony before memorising, or memory collapses the moment you play for someone.
Same level

To widen the repertoire without raising the level.

Same level
Andante in F major, K.616
Wolfgang Amadeus Mozart
50/100 same level 3-4 weeks
close skills low risk to confirm
Equivalent demands, still Intermediate (around grade 6 ABRSM/RCM): what changes is the ground. The skill that will carry the work: Style classique and Connaissance des formes — the notes are not enough: articulation and ornaments follow performance conventions best checked in an urtext edition.
Same level
8 Variations on a Dutch Song K. Anh. 208 (24)
Wolfgang Amadeus Mozart
49/100 -1 pts 3-4 weeks
partial transfer low risk to confirm
Equivalent demands, still Intermediate (around grade 5 ABRSM/RCM): what changes is the ground. The demand here is musical rather than mechanical: Legato — practise it slowly and hands separately before any attempt at tempo: that is where tension builds up.
Same level
La Borchward, polonaise in G major, Wq.117, no. 17
Carl Philipp Emanuel Bach
48/100 -2 pts 3-4 weeks
partial transfer low risk to confirm
Equivalent demands, still Intermediate (around grade 5 ABRSM/RCM): what changes is the ground. What changes is the skill in play: Rythmes pointés and Passages rapides — the pitfall is the pulse drifting as soon as the writing thickens: subdivide with the metronome.
Progressions computed from difficulty, skill overlap and style between works. A What do we play next? recommendation should remain a pedagogical starting point, not an automatic prescription.