In 'Claudio Baglioni' may be found the singer's rendition of 'Mia Cara Esmeralda'. The album, which was the singer's first, carries a publication date of September 1970. The song in question is the second song on side B.
Presuming you're referring to Disney's 1996's Hunchback of Notre Dame, that would be Demi Moore w/ Heidi Mollenhaur providing her singing voice.
The cast of The Singing Welles - 1996 includes: Gino Pennacchi as Traveler
The cast of The Singing Hills - 1941 includes: The Arthur Johnston Singers
The cast of Singing Wild Rice - 2012 includes: Missy Knott
The cast of Singing in the Park - 2011 includes: David Arkema Nora Leonhardt
The cast of Seriously Singing - 2011 includes: Jessie Carmichael as Jessie Carmichael
The cast of Small Birds Singing - 2007 includes: Kerry Shale
The cast of Singing for Dear Life - 1989 includes: Jaki Leboff as herself
The cast of Singing and Dancing on a Sunday - 2002 includes: Ian Painter as himself
The cast of Singing in the Brain - 2010 includes: Eleanor Batchelder James Fanizza as Ethan
The cast of Keep America Singing - 1994 includes: Mitch Miller as himself
The cast of Singing the Bones - 2001 includes: Caitlin Hicks as Meg, Mother, Sara