Answer:
- Strophic, Sonata Form, Theme and Variations, Minuet and Trio, Rondo.
2. a.) Strophic - a song structure in which all verses or stanzas of the text are sung to the same music.
b.) Sonata Form - t has been used widely since the middle of the 18th century.
c.) Theme and Variation - a standard form of musical composition where a simple, unembellished melody is used as a theme and then repeated several times with melodic, rhythmic, harmonic, or other changes.
d.) Minuet and Trio - usually found as the third movement of a four movement Classical era sonata and is the only dance movement in a Classical era sonata.
e.) Rondo - an instrumental musical form introduced in the Classical period.
3.Letters can be used to label the form of any piece of music, from the simplest to the most complex.
