In Reply To #51
You only have to wait from 30 to 60 seconds, I've had that same problem on the PSX and Saturn versions, sometimes you can be sitting there forever and she won't sing, you just have to be lucky.
Some people say there are certain conditions like, Fairy level must be bigger than Faerie level, mine was 43 and my Faerie was just 3, and I did it in the Outer Wall level, right chair.