Not that I will tell how either, but I got it in a similar than you =), but I trashed it after I got Music 2002 because it was a lil more stable, even if it still crashed sometimes.
On a side note Music 2002 has really cool samples. A lot of stuff is from Music 3000. That makes me with they did a version for PS2. It's quite ironic that this doesn't come with a royalty free license, considering most samples are from Music 3000 and Music 3000 has one