A(n) is an operatic number involving three or more leading singers.

Ensemble

Explanation:

The musical group is usually not a big group. Various ensembles are formed by different music groups from different genres. There are many groups. For example, a jazz ensemble, a quartet or a trio.

The ensembles are organized, with leading singers and parts such as soprano, alto, tenor, and bass. In men's singing groups, there is also a mixture of tenor and base known as the baraton.

so, not gonna do the actual thing because that's just laziness for an easy assignment like this.

but someone that has a lot of information and interesting details about is picasso. you can easily write a 500 word essay about him and how overtime his paintings of himself got more and more deformed representing that he was forgetting what he looked like and that was from memory.