MP3s were made to listen to music easier. MP3s are a great way to listen to music, because they are so small. MP3s have many different wires and are made of different elements. They get rid of sounds we cannot hear in a song. They also make music files smaller with little or no loss of sound quality. MP3 stands for MPEG Audio Layer III. MPEG stand for Motion Pictures Expert Group. You can buy songs for MP3s for a small cost. Usually the cost is $0.99.
Watch this video to learn more about how MP3s work: