What would a good topic be for music prior to the 18th century for a presentatio

Question: What would a good topic be for music prior to the 18th century for a presentation!.!.!.!?

I need a topic for music prior to the 18th century for a 10-minute class presentation, but I can't think of one!. An interesting one, not a boring one!. Thanks in advance
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Best Answer - Chosen by Asker:

the invention of stereo, a historical perspective!.
go research antiphonal music, paticularly by andrea and giovanni gabrieli!. explain how the different choirs of instruments were placed in different parts of the chapel-thus building stereophonic sound for the first time!.Www@QuestionHome@Com