They were the most successful production team in British Pop music - but what do you think of their music in retrospect? Was it rubbish bubblegum pop? What did their music do for you back then and now in retrospect?
Last month a reunion concert of all their acts was cancelled in London's Hyde Park due to the rain and it looks like may never happen now due to artist commitments.
On Monday on ITV 1 at 9pm there is a documentary on them. Their first hit was Dead or Alive...