Jethro Tull, “RökFlöte.” An aesthetic of minimalism governs much of rock and roll. Sure, there’s the “November Rain” video and that weird thing where bands play their hits with symphony orchestras. But, at its core, rock and roll is about three chords, denim and leather. Given how much The…

If God had wanted more face-melting flute solos in the world of rock and roll, he would have made more than one Ian Anderson. The singular presence of Jethro Tull‘s visionary flautist and frontman suggests the universe is content to have the flute remain one of the rarest spices…