*plays creepy "doo dee doo doo" music*

Disc 3. Madain Sari. walk clockwise lots reading each summon. You'll hear a sound. Go anti-clockwise lots, reading each summon. Another noise. and repeat a few times. That's how I remember getting it. It's a long story though, but worth it cos the letters are nice.

It doesn't matter that much if you can't do it, because her name is (SPOILER)Freddie Mercury Sarah