Complex sentence: In 1985 Norman appeared with Spandau Ballet at Live Aid at Wembley Stadium, where he was also to perform at the "Free Nelson Mandela" concert some years later along with Tony Hadley.
Split into simpler sentences: In 1985 Norman appeared with Spandau Ballet at Live Aid at Wembley Stadium. He also performed at the "Free Nelson Mandela" concert some years later along with Tony Hadley.