Answer:
The last one.
Explanation:
Im not very sure on this one, but it seems like the most logical answer for the question.
The instrument described is a clavichord.
Although not very popular nowadays, it was important between the 15th and the 19th century. In popular music, variations of it can be found in songs by artists such as Stevie Wonder and Bjork, but they mostly used the electric version of the instrument.
In opera, the libretto is the words or lyrics, as distinct from the music.
Answer:
Whistling
, Humming, Brass band music ----------Monophonic
Guitar pleving, Acapella singing, Orchestral music ------- Polyphonic
Explanation:
Whistling
, Humming, Brass band music are Monophonic while on the other hand, Guitar pleving, Acapella singing, Orchestral music are Polyphonic in nature. Monophony means music with a single "part" or a single vocal melody, whereas Polyphony means music with more than one part, and so this indicates more number of notes done at the same time so both are different on the basis of number of notes.