How is the Yeibichai song performed?

When a character speaks to the audience for an extended time, such a speech is called a __________

Fill in the blank(s) with correct word

What is meant by the term “tremolo.”

a. a poetic unit of two or more lines with a consistent meter and rhyme scheme b. two or more voices or instrumental parts singing or playing the same pitch c. the density and disposition of the musical lines that make up a musical composition d. a musical tremor produced on a string instrument by repeating the same pitch with quick up and down strokes of the bow e. a slight and continual wobbling of the pitch produced on a string instrument or by the human voice