Repertoire › Sonata for Piano with 4 Hands in C major, K. 521: I. Allegro › What to play next
What to play after Sonata for Piano with 4 Hands in C major, K. 521: I. Allegro ?
Wolfgang Amadeus Mozart · difficulty 55/100

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 C major, K.521
Wolfgang Amadeus Mozart
60/100 +5 pts 6-12 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 D major Hob. XVI:42
Franz Joseph Haydn
60/100 +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 D minor, Wq. 112/7, H.179
Carl Philipp Emanuel Bach
59/100 +4 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 D minor, Wq.69, H. 53
Carl Philipp Emanuel Bach
58/100 +3 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
Piano Variations (Sonata) f minor Hob. XVII:6
Franz Joseph Haydn
67/100 +12 pts 12-24 weeks
close skills moderate risk to confirm
A real step up: this piece moves you into Advanced (around grade 7 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
Piano Sonata D major Hob. XVI:51
Franz Joseph Haydn
67/100 +12 pts 12-24 weeks
close skills moderate risk to confirm
A real step up: this piece moves you into Advanced (around grade 7 ABRSM/RCM). New compared with the previous piece: Balance mains and Connaissance des formes — what matters is quality of attack and evenness of tone, not speed.
Balanced
Sonata in D major, K.448
Wolfgang Amadeus Mozart
65/100 +10 pts 12-24 weeks
close skills moderate risk to confirm
A real step up: this piece moves you into Advanced (around grade 7 ABRSM/RCM). New compared with the previous piece: Polyphonie à deux voix and Connaissance des formes — practise it slowly and hands separately before any attempt at tempo: that is where tension builds up.
Ambitious challenge

A useful leap with guided practice.

Challenge
Piano Sonata no. 8 in A minor, K.310
Wolfgang Amadeus Mozart
74/100 +19 pts 28-56 weeks
close skills high risk to confirm
An ambitious leap into Advanced (around grade 8 ABRSM/RCM) — only worth starting if the practice time is really there. New compared with the previous piece: Passages rapides and Connaissance des formes — practise it slowly and hands separately before any attempt at tempo: that is where tension builds up.
Challenge
Sonata in F major, K.497
Wolfgang Amadeus Mozart
70/100 +15 pts 28-56 weeks
close skills moderate 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
L'Auguste, polonaise in F major, H.122, Wq.117, no. 22
Carl Philipp Emanuel Bach
55/100 same level 4-6 weeks
partial transfer low risk to confirm
Equivalent demands, still Intermediate (around grade 6 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.
Same level
Modulierendes Präludium K. deest (Anh. C 15.11)
Wolfgang Amadeus Mozart
56/100 +1 pts 4-6 weeks
new reflexes low risk to confirm
Equivalent demands, still Intermediate (around grade 6 ABRSM/RCM): what changes is the ground. What changes is the skill in play: Ornements baroque and Analyse harmonique — ornaments must be secure before the piece goes up to tempo, otherwise they break the line instead of decorating it.
Same level
Eine Kleine Gigue in G major, K.574
Wolfgang Amadeus Mozart
57/100 +2 pts 4-6 weeks
partial transfer low risk to confirm
Equivalent demands, still Intermediate (around grade 6 ABRSM/RCM): what changes is the ground. What changes is the skill in play: Style baroque and Ornements baroque — the notes are not enough: articulation and ornaments follow performance conventions best checked in an urtext edition.
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.