Aphrodite’s Child featured Demis Roussos on bass guitar and vocals. Roussos was  famously the subject of an argument in the play ‘Abigail’s Party’, in which starred Alison Steadman, who also starred in the TV series ‘Gavin and Stacey’, for which the theme tune was this song…

http://www.youtube.com/watch?v=KCt_w1uThTA