I have a CD that appears to be a reissue of the LP. The narrations are given by Findlay Cameron. The mouth music track is described as 'Cota Side Mairi Bhan'.
Track list here: Click
The CD number is: CDITV575. Scotdisc BGS Productions Pty Ltd Newtown Street Kilsyth, Glasgow G65 OLY.
--Stewie.