Is this question multiple choice? If so, can you list the choices
Grosso cannot be the answer since Grosso is a form of concerto still that transitions to a full orchestra. Madrigal as well is a group of singers singing songs in the Rennaissance age. Cantata is accompanied by a choir which means the answer is Sonata which is accompanied usually by a pianist.
warm colors- they include the tones from yellow, orange, red, and some redish browns.
these colors are usually associated with warmth and aggressiveness.
