I am afraid that this is close to be "off topic" of the site. If so, I will gladly close it.
I need to popularize LaTeX for a class. There will be a special (non-optional) class about LaTeX basics to attract students to this wonderful way of creating documents and I need to promote this class via e-mail.
In your opinion, what would be the most attracting(-ive) effect(s) I can show in one slide to the people? The students are musicians. The effects and formatting don't need to be unconditionally practical. It could be just beautiful.
If you want me to be more specific, then please: fonts, working with positioning, background and other easily visible effects. No macros etc.
Note: I am not asking about the text of the promotion, just the LaTeX effects.
Edit: It does not have to be only about music in LaTeX. The class will be about LaTeX basics.