Earliest piece of sheet music for more than one voice discovered after 1100 years | Daily Mail Online Earliest piece of sheet music for more than one voice discovered after 1100 years | Daily Mail Online. And listen to it: http://www.dailymail.co.uk/sciencetech/article-2886145/Is-piece-choir-music-Earliest-piece-sheet-music-one-voice-discovered.html#v-3959617841001 Share this:TwitterFacebookEmailMoreLinkedInLike this:Like Loading...