Incorporating elements of Blues, Folk and Rock (not to mention a flute solo here and there), Jethro Tull had a great run in the early part of the 70’s. Their work in that time frame (Aqualung, Thick as a Brick) was critically revered and commercially successful. This combined with a stellar live act has generated a very loyal following that still exists to this day. Although they forayed into Electronic and harder Rock elements, which produced weaker efforts in the 80’s, their early work was solid and difficult to ignore. Should Progressive Rock get another look from the Hall, Jethro Tull is a viable contender to get in.