Assertion: chord's key | /r/CapableOf | play subordinate
Facets:
value: in sonata form
type: OTHER
Source sentences:
text: In sonata form, the subdominant key plays a subordinate though still crucial role: typically, in the recapitulation, there is a section written in the subdominant key, occurring at the point corresponding to the location in the exposition where the music modulates to the dominant key.