I just found this out while randomly listening to songs from the library's list in Dracula X Chronicles' SOTN. The former Japanese vocal track from the import Symphony of the Night ost has been fully translated and sung in English.
I think it's a Japanese woman singing it, and she has a lovely, clear voice. It's a beautiful, sad piece. It always was, but it has more meaning now. Kinda less cute and more sorrowful than the original; with the pretty tune untouched. It's... well, awesome. I dunno I was really surprised to hear it because I was just browsing through the list. Made my day.
I was always confused about this piece as I don't know where it appears in SOTN. I always thought it was just extra. But I'm wondering if it plays when you get the bad ending or something, because I never got the bad ending in this version (PSP), and the song was nowhere in the English Playstation cut at all.
Certainly would have made a nicer ending theme than "I am the Wind," even though I like that song too. It only makes this UMD have the best soundtrack of all UMDs even more.
On a final note, is this English version of "Nocturne" on the offical Dracula X Chronicles soundtrack release? I kinda doubt it, but I'm hoping.