I SWEAR. The ambient background noise in some areas (I think it's the rich neighborhood and outside the asylum (only in the fountain screen, I think)) are the same, or reaaaally similar to noises in some areas in Majora's Mask. Did anyone else play through this and think this?
The noises are a dog barking noise and some kind of bird noise.
P. I have no negative tone, if they were the actual noises I would just consider it as a subtle reference