¿Cómo se llaman las obras grandes a las que puede formar parte una Aria?

An aria is a classical music form composed for a solo voice. Arias are generally contained within a larger musical work, such as an opera, and they may be accompanied by instruments or a full orchestra.

Explanation:

answer; timpani,horns and bells;

satin. 

"very shiny satin may look great in the fabric store or in the sewing room, but once onstage it can look fake and cheap as it reflects the light from the fixtures."