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The Smooth Late Show with Martin Collins 10pm - 1am
4 July 2018, 15:43 | Updated: 6 July 2018, 10:06
They recorded some of pop's finest moments, from 'Stars' to 'Holding Back the Years'.
But how well do you know the lyrics to Simply Red and Mick Hucknall's best songs?
Try our quiz below to find out!