Overview
Editorial notes from ABRSM Grade 5 List A.
Clementi's Six Sonatinas Op. 36 (first published 1797, revised through several editions) are the most-played teaching sonatinas in the Western repertoire — Beethoven praised them, and they have been the entrance gate to Classical sonata form for two centuries. Op. 36 No. 3 in C major opens with a Spiritoso: a textbook Classical first movement with a clear exposition, brief development and recapitulation.
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Technically the piece tests Classical-style two-hand textures at speed. The right hand carries running quavers and semiquavers in a mostly stepwise, occasionally arpeggiated line; the left hand alternates Alberti broken triads with walking-bass passages. The student must execute small ornaments cleanly without slowing the pulse, balance the hands so the melody sings above the accompaniment, and shape the textural shift between first and second subjects.
Two pitfalls. First, the development section often gets quieter than the exposition; the score asks for sustained energy, not a retreat. Second, the recapitulation is sometimes played identically to the exposition — give it the small lift that comes from arriving at a remembered theme.
Listening: PD recordings of the complete Clementi Op. 36 sonatinas are widely available on Musopen and IMSLP audio. Andras Schiff's later recordings (in copyright) are the higher-grade reference for clean Classical articulation.