23-Ji no Ongaku (２３時の音楽, Music of the 23rd Hour) is the second studio album by Yoko Kanno, with vocals by frequent collaborator Maaya Sakamoto.

It is the soundtrack for the NHK radio drama adaptation of the book The Other Side of Midnight.

This article about a Japanese album is a stub.

You can help Wikipedia by expanding it.This 2002 album–related article is a stub.

You can help Wikipedia by expanding it.