>even if it might not be needed Most of his songs are not commenting on the original so permission is definitely needed. "Smells like Nirvana" and "Perform thi

>even if it might not be needed Most of his songs are not commenting on the original so permission is definitely needed. "Smells like Nirvana" and "Perform this way" are making fun of the original songs, "Amish Paradise" could be argued either way.