What's An Mp3?
Basically, an Mp3 is a highly compressed Wav file that can be listened to while staying compressed.
For example:
 A 50mb Wav file can be compressed into a 5mb Mp3
 file, or a 30mb Wav into a 3mb Mp3.

Playing Mp3's
Just follow these simple steps:
 1. Download a player.
 2. Install the player that you downloaded.
 3. Get some Mp3's.
 4. Run the player that you downloaded.
 5. Play one of the Mp3's that you downloaded.