Awright, awright, I need to learn how to do this m'self: here's the lyrics direct from the webpage bbc listed above.
Barbara

Rivers Of Babylon
(B. Dow, T. Mcaughton, G. Reyan, F. Farian/Ackee Music Inc.; Al Gallico Music; Gema)
from the CD How Can I Keep From Singing

(1:)
By the rivers of Babylon, where he sat down,
and there he wept when he remembered Zion.
Oh, the wicked carry us away captivity,
require from us a song,
How can we sing King Alpha's song in a strange land?

(1)

(2:)
So, let the words of our mouth
and the meditations of our heart
be acceptable in Thy sight.
Oh, verai! ^^