Tracy Keen has 5 Thunder concerts.

1) - Thunder is a five-piece melodic hard rock band from the United Kingdom that formed in 1989, after singer Danny Bowes, guitarist Luke Morley, and drummer Gary "Harry" James left the group Terraplane. Soon joined by bassist Mark "Snake" Luckhurst and guitarist Ben Matthews, Thunder's first album, 1990's Backstreet Symphony, earned commercial and critical acclaim. The guys followed it with a well-received 'Monsters of Rock' festival performance that year.