As a consumer, you basically cannot legally do the following if you do not own the copyright on a work:
But what about...
Weird Al Yankovic released a song that sounds a lot like Eminem's "Lose Yourself." In fact, he's recorded tons of songs that are based on huge Billboard hits. Why isn't he constantly in court?
Basically, parody is an exception and is acceptable. Plus, Weird Al asks for permission first anyway. According to the Official Weird Al site (as of 2003), "Al does get permission from the original writers of the songs that he parodies. While the law supports his ability to parody without permission, he feels it's important to maintain the relationships that he's built with artists and writers over the years."