try consulting a lawyer who knows about copyright and intellectual property rights here, just to be sure.
personally, if you're just going to cover them, then you have to expressly and clearly state that your song is a cover, and give credit to whom credit is due.
if you're going to pass off the work as your own, though, the real question would be: patutulugin ka ba ng kunsensiya mo, knowing that you're a fake? think about it
