Answer:
I think its the last sentence
Book musical- is defined as performance where musical numbers and dances are fully integrated into a proper narrative with define dramatic goals
jukebox musical- is a musical whilst is created using pre-existing songs.
concept musicals- i’d a musical where a theme, metaphor or concept is just as important as the overarching plot and the featured songs
I would say the correct answer is C. the cadenza.
Cadenza is defined as "<span>an </span>improvised<span> or written-out </span>ornamental passage<span> played or sung by a </span>soloist<span> or soloists,' so you can see that the important part of the cadenza is that it is improvised. It is used to show the skill of the performer.</span>