Sampled audio files can take up a large amount of storage space. It is possible to digitally create sound and therefore music digitally, this is often known as FM Synthesis. A standard called MIDI was created to allow Musical Instruments to be connected together using a Digital Interface. These MIDI packets contain data that describes which instrument to play and the details of the notes to be played. Here is an online editor to try.
[kml_flashembed movie="http://www.youtube.com/v/IJqTtGA0Bkc" width="425" height="344" allowfullscreen="true" fvars="fs=1" /]
