I got this buddy who is a specialist:-).
I really dont know if it can be done as a standalone application, like running the program from cd first, then inserting the music cd - and voila. Or burn the \'music display program\' on a chip and physically placing it into the PS2 body.
I was also thinkin about using the internet, like running the program from a server. Slow, perhaps - but cool. DEFINETLY. And instant access to display plugins.
Three obtions, ram based, chip based or internet server based. The actual application is just copy/paste.