The ballata (plural: ballate) is an Italian poetic and musical form, which was in use from the late 13th to the 15th century. It has the musical structure ABBAA, with the first and last stanzas having the same words. It was one of the most prominent secular musical forms during the trecento, the period often known as the Italian ars nova.
A musician is a person who plays or composes music. Musicians can be classified by their role in creating or performing music:
A singer (or vocalist) uses his or her voice as an instrument.
An instrumentalist plays a musical instrument.
Both singer and instrumentalist can be improvisers, who create real time music.
Composers and songwriters write music.
A conductor coordinates a musical ensemble.
Musicians may also dance or produce choreography. The concept of the musician and the status of the musician in society varies from culture to culture.