Which musical?
In general, the term is "librettist" for the guy who writes the music and "lyricist" for the guy who writes the lyrics (words).
false
It is called a 'score'
It depends on how successful the composer is.
The round is a very primitive form of musical structure. It goes back before composers were identified by name.
Mozart, Haydn, Schubert, and Strauss.
Two of the most obvious musical elements that composers use to achieve variety are indeed dynamics and timbre. These can be achieved by using different instruments in different registers.
As in musical composers? Some of the most famous were Franz Liszt, Béla Bartók, and Zoltán Kodály, but Hungary has had countless composers. Examples of some lesser known are Erno" Dohnányi and Ferenc Farkas.
gershwin, beethovan, Bach
cirecule
The sonata is a musical form which achieved formal development during the Classical period. As such, composers continue to this day using that form. A very few names of composers who wrote in that form are Mozart, Beethoven and Haydn (during the Classical period - 1750-1810) and later during the Romantic period - Brahms, and during the 20th century, Paul Hindemith.
The musical Les Miserables.
Musical notation did not appear until the Renaissance...