Yes, it's easy to do with most programs designed to manage music files, like iTunes, Toast or any of the others.
Specifically, you need to convert the mp3 files to AIFF format. As Rwwear said, they'll still sound like mp3's but you'll be able to play them.
Specifically, you need to convert the mp3 files to AIFF format. As Rwwear said, they'll still sound like mp3's but you'll be able to play them.