A composer writes a sonata-form movement and, in the recapitulation, brings back the second theme in the subdominant rather than the tonic. What problem does this create?
ANone — the subdominant is harmonically close to the tonic and is an acceptable substitute
BIt fails to resolve the harmonic tension of the exposition: the second theme must return in the tonic to complete the sonata principle
CThe recapitulation must use the dominant, not the subdominant, for the second theme
DIt is acceptable as long as the movement ends with a perfect authentic cadence in the tonic
The sonata principle is the harmonic drama at the core of the form: the exposition deliberately displaces the second theme to a non-tonic key (typically the dominant), creating large-scale tension. The recapitulation's entire purpose is to resolve this tension by bringing all material — including the second theme — into the tonic. Returning the second theme to the subdominant instead leaves the harmonic imbalance unresolved; the form's dramatic argument is incomplete. The tonic is not just a preferred option — it is what gives the recapitulation its function as resolution.
Question 2 Multiple Choice
What is the primary structural function of the development section in a sonata-form movement?
ATo introduce entirely new themes that provide contrast with the exposition material
BTo repeat the exposition with ornamental variation and elaborated harmonies
CTo create maximum tonal instability through fragmentation and harmonic motion, so that the recapitulation's return to the tonic feels like genuine resolution
DTo establish the dominant key firmly in preparation for the second theme's return
The development's job is dramatic destabilization, not introduction or repetition. It takes material from the exposition — fragmentizing, recombining, and driving it through distant harmonies — to create harmonic conflict that makes the recapitulation's tonic return feel earned. Without genuine tonal instability in the development, the recapitulation has nothing to 'resolve.' The development typically ends with a retransition that prolongs the dominant of the home key, building anticipation before the first theme re-enters — the longer the dominant pedal, the more cathartic the return.
Question 3 True / False
The recapitulation in sonata form functions as resolution of harmonic tension, not as a mechanical repeat of the exposition.
TTrue
FFalse
Answer: True
This is the sonata principle. The exposition creates tension by presenting contrasting material in a non-tonic key; the recapitulation resolves it by bringing all material into the tonic. As a result, the second theme often requires adjustment in the recapitulation — its character and voicing may need rethinking to work in the tonic rather than the dominant. The recapitulation is not a rewind; it is the payoff of a dramatic argument set up 30–200 measures earlier.
Question 4 True / False
In a standard major-key sonata movement, both the first and second themes are presented in the tonic key during the exposition.
TTrue
FFalse
Answer: False
Only the first theme is in the tonic. The second theme is typically introduced in the dominant (V) — this is the deliberate tonal displacement that creates the harmonic tension the recapitulation must resolve. If both themes were in the tonic during the exposition, there would be no tension to resolve, and the form would lose its large-scale dramatic shape. In minor-key movements, the second theme often appears in the relative major rather than the dominant.
Question 5 Short Answer
What must the transition (bridge) between the first and second themes accomplish in the exposition, and what does a successful transition typically look like?
Think about your answer, then reveal below.
Model answer: The transition must accomplish a modulation from the tonic to the new key (typically the dominant in major) while sustaining momentum and creating a sense of harmonic suspense. It typically dissolves the first theme's cadential energy through sequential or developmental passages, then ends with a half cadence in the new key — a moment of arrival on V of the new tonic — just before the second theme enters and establishes the new key. The goal is to make the modulation feel inevitable: Haydn and Mozart often plant the new key's dominant well before the second theme arrives.
The transition is technically demanding because it must accomplish two things simultaneously: change the key and keep the music moving forward. A weak transition that simply announces the new key abruptly feels arbitrary; a strong transition makes the new key feel like a natural destination. The half cadence at the end of the transition creates a moment of harmonic suspension — the music hangs on the dominant of the new key, making the arrival of the second theme feel like a resolution of that tension.