Simple - You find a song which you feel describes your personality/taste in music. It can even be for how you feel now. For example mine would be....
Jimi Hendrix- Voodoo Child
http://www.youtube.com/watch?v=layTKmyJyBY
Jimi Hendrix- Voodoo Child
http://www.youtube.com/watch?v=layTKmyJyBY