Here's a video with the Latin lyrics superimposed:
http://www.youtube.com/watch?v=Cmkad_x6xUs
And with a literal translation in English:
http://www.youtube.com/watch?v=lihghy0YU2E&feature=youtu.be
ADDITIONAL NOTES:
Lyrics and translations by Classicist Penelope Goodman, University of Leeds
Murray Gold’s lyrics
Vale Decem...
Ad aeternam...
Di meliora...
Ad aeternam...
Vale Decem...
Di meliora...
Beati...
Pacifici...
Vale Decem...
Alis grave...
Ad perpetuam memoriam...
Vale Decem...
Gratis tibi ago...
Ad aeternam...
Nunquam singularis...
Nunquam...
Dum spiro fido...
Vale…
Literal translation
Farewell, Ten...
To the eternal...
(May the) gods (grant you) better (things)...
To the eternal...
Farewell, Ten...
(May the) gods (grant you) better (things)...
Blessed...
(Are) the peacemakers...
Farewell, Ten...
Heavy with wings...
To perpetual memory...
Farewell, Ten...
I give you thanks...
To the eternal...
Never alone...
Never...
While I breathe I trust...
Farewell…
Mood-appropriate translation
Farewell, Ten...
On to eternity...
The fates be with you...
On to eternity...
Farewell, Ten...
The fates be with you...
Oh, blessed he...
Who brought us peace...
Farewell, Ten...
Lay down your burden...
We will remember you forever more...
Farewell, Ten...
We give you thanks...
On to eternity...
You are not alone...
Never...
Trust to the last...
Farewell…