Funny songs on itunes i could buy?

So, I have my on music I like to listen to of course, but I wondered
if there is any really funny songs I could listen to and see if I like
them. I like the lonely island and yourfavoritemartion. And I wanted
to know eaxctly how you can delete songs off of your ipod touch. I
understand you have to use a computer, but I would like the step by
step process please and thank you! Sorry if you can't read what I'm
saying, bad grammar...