You rhymed 'frowns' with 'clowns'. That's like rhyming 'september' with 'remember' or something.

Don't mean to sound patronizing after an eternity of, well, not existing, but you get where I'm going.

Great idea behind the song. I wonder if you should get a youtube account or something, record yourself playing these? I'm sure a few (especially that Billy Joel-ish one) would be great when heard.