The day after Kelly graduated high school, he packed his bags and left home to pursue being a full-time drummer.
He was also on board for the European tour later that same year and has continued to be the group's full-time drummer ever since.
Whatever the case, he had established himself as the full-time drummer for the group's debut album.
During adolescence, he floated between regional bands in pursuit of a career as a full-time drummer.
The band has had a couple different full-time drummers.
By the end of the month, Rick Allen, then only 15 years old, had joined the band as its full-time drummer.
Ferguson rejoined the band and was Five Eight's full-time drummer until 1998.
Ferguson rejoined the band to play "a few shows" near the end of 2007, and is again the full-time drummer for the group.
Steeleye Span had finally decided to use a full-time drummer and invited him to join them.
Mike was supposed to be the full-time drummer but decided to leave before recording to pursue other projects.