The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
Mike talks about the "Silent Running" storyline and "Land Of Confusion" in the age of Trump.
These Three famous songs actually describe how they were written - late into the evening.
Bowie's "activist" days of 1964 led to Ziggy Stardust.
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
"Missing You" was a spontaneous outpouring of emotion triggered by a phone call. John tells that story and explains what MTV meant to his career.