And in case yer wondering what the real deal should sound like, here's a clip of Boney M performing their single, 'Brown Girl in the Ring'.
Wow - love those outfits. What were they like in the 1970s, eh? And that bloke? what was he on? Oh, and all credit to Julie, the original lyrics were pretty dodgy any way; After the first verse ends, you then hear
"Show me a motion, tra-la-la la-la"
What the hell?? No wonder Julie went for a scatological touch with her version!
By the way, the gent with the camp collar (Bobby Farrell) didn't do any singing; not on any of the songs, ever. Any time you heard a man singing on any of Boney M's songs, that was the producer and creator of the group, Frank Farian. Have a look at the group's litigious history on Wikipedia.