Since their 1972 album "Thick As A Brick", Jethro Tull's music has become more and more layered, intricate, and demanding on both players and listeners. Also, since that time, Barriemore Barlow, a 29-year-old Scotsman, has been their percussionist. TO READ THE FULL STORY: Subscribe NowLOG IN Read this article +get instant access TO 45 YEARSof Modern Drummer issues WITH A DIGITAL SUBSCRIPTION for just $4.99 month with no contract! Love the printed mag? Click here.