Yeah, you're right! At this moment I can tell to myself that I can do it even better. As I read the film review of the documentary film of Joe Strummer, I just change the concept of writing the songs. For real, I was so inspired of this man Joe Strummer, he is now a legend as a musician.
This is not the official trailer but more closely related.
http://www.youtube.com/watch?v=lmJPwv3fm7g