Uh-oh, we're in trouble

For reasons that aren't entirely clear to me, I recently became fascinated by the idea of female vocal duos in British pop music. So I wrote a series of pieces tracing their history over a period of fifty years, from the Caravelles to the Cheeky Girls. The story starts here with the 1960s and '70s (including the Pearls, Snatch, Blonde on Blonde), continues here with the 1980s (Pepsi & Shirlie, Wee Papa Girl Rappers) and concludes here with the likes of Shakespears Sister, Shampoo and Alisha's Attic.