Hello Stephaine It is to do that when you are talking about something you like very much... Make a good introduction( very important ) give some example... and a good conclusion also ( very important ) because it is the last thing people will remember about your presentation... good luck!

make a presentation about the music you like most and how it originated. the audiance appriciates if you are enthusiastic about your topic.

Talk about the Traditional Chinese Opera, 中国戲曲查篤撑 (中国戏曲查笃撑)

how does pop music affect teenagers in your country.