You nead

1)Sound Recorder-is on computer!
It is workin with Wav before converterin' into full mp3-track
A real music mini studio

2)Wav.samples--music samples(1-5-..xx.. sec)
download from blog. or find some
You can create your own sample just usin' converter

3)converter---to convert One Wav-track Into MP3-track in the end; then name it as u want

4 - mp3 player )

Thats all.
thanx4attention