Prince Buster - 'Madness' (1963)
Dandy Livingstone - 'Rudy, A Message To You' (1967)
The Maytals - 'Monkey Man' (1970)
....or as a handy party Threepack.
"Two-Tone, black & white - that's the whole thing" - Jerry Dammers.
[Me and Mrs H are off to a PTA quiz at the girls' school tonight - I bet they don't ask proper questions like "Who played on both the original version of 'Rudy, A Message To You' and The Specials cover?"...Damn and blast them.]