Speakers must do all of the following except during their introduction?

An introduction should do all of the following EXCEPT: Elaborate and explain the main points in full detail. Just like meeting someone for the first time, initial impressions of a speaker can affect how an audience views the rest of the speech.

Explanation:

Explanation: when you do a speech you have to persistent your self to the people

hey

he was  an italian composer who wrote 39 operas, as well as some sacred music, songs, chamber music and piano pieces.

hope this and i wish you the best of luck! : )