Click here to find all the voice parts for the Rutter Gloria. It's not as good as Choraline but there is no Choraline recording available for the Rutter. If you are into MP3 files, you can find these for the Rutter Gloria by clicking here
Both the Vivaldi 'Gloria' and the Handel 'Zadok' are available from Choraline. Click here to go to their website. Remember that as a BDCS member you can get a 10% discount from Choraline by using the password BING
http://www.choralia.net/vscatalogue.htm is a website where you can hear synthesised voices singing individual voice parts. (It is very easy to download the necessary bit of free software.) You can choose which voice part you would like to be highlighted.
Click this link to find John Hooper's midi files for a wide selection of choral works. John Hooper however doesn't have the Rutter 'Gloria' either.