noun
improvisation topic; impromptu subject
Refers to a topic or subject given on the spot for improvisation, such as in music, comedy, or speech.
即興コメディで、観客から即題をもらって演じた。
In the improv comedy, they performed using an impromptu topic from the audience.
ジャズの即興演奏では、即題に合わせてソロをとる。
In jazz improvisation, they take solos based on the given subject.