Final answer:
In movement 2, the soloist singer sings the main melody or theme of the music. The soloist often sings alone or with accompaniment. The specific part can vary depending on the music being performed.
Step-by-step explanation:
In movement 2, the soloist singer sings the main melody or theme of the music. The soloist often sings alone, without any accompaniment, or they may be accompanied by the orchestra or other instruments.
For example, in a concerto, the soloist singer may sing a beautiful aria or vocal solo that showcases their vocal skills and expression.
The soloist singer's part in movement 2 can vary depending on the specific piece of music being performed.