A question about Adagio's Underworld

[The King Of Terrors]

I recently got the album and think it's great, but I've been trying to find the choir part on it that's used for the intro to the site and it doesn't seem to be on there. I assumed it would be something off the album but apparently it isn't. Does anyone know where it's from then?

 

[Luis]

I recently got the album and think it's great, but I've been trying to find the choir part on it that's used for the intro to the site and it doesn't seem to be on there. I assumed it would be something off the album but apparently it isn't. Does anyone know where it's from then?

Easy: JS Bach Mass in B minor.

 

[The King Of Terrors]

Thanks! Giving it a listen right now