If you are in doubt of the quality of your favourite songs, you should listen to them by phone.
(studio phone: +49 40 64551500 Monday till Friday 10:00 till 18:00 o'clock german local time)

 

To listen to MP3 files you need a player, e.g. WINAMP. This format offers very good quality with minimum file size!

What does MIDI mean?
What does MP3 mean?