“Spinal Tap” is a movie that gets thrown around more than its fair share when it comes to band biographies, documentaries and the like. “At The End Of The Day, The Story of the Blaze Bayley Band,” is essentially the story of “Spinal Tap” on crack. If “Spinal Tap” went to 11, then the story of Blaze Bayley and the Blaze Bayley Band goes to 1,000. Bayley is widely known as the ex-vocalist of Iron Maiden who filled in Bruce Dickinson’s shoes when Dickinson basically started mailing things in the early 90s and left the band for dead to pursue solo work. Two full-length albums ...