Question

what is the meaning of the word impromptu as used in this sentence from the text? this is why many jazz performances have impromptu solos of the piano, drums, guitar, and brass instruments throughout a song - they are improvising. a assisting or encouraging b done without delay; immediate c the state of being of great significance d done without being planned or organized

Explanation:

The context mentions jazz musicians are improvising during solos. "Impromptu" in this context means spontaneous and unplanned.

Answer:

D. done without being planned or organized