Jethro Tull were a British rock group, formed in Luton, Bedfordshire, in December 1967.
The band was led by vocalist/flautist/guitarist Ian Anderson, and have included other significant members such as guitarist Martin Barre, keyboardist John Evan, drummers Clive Bunker, Doane Perry, and Barriemore Barlow, and bassists Glenn Cornick, Jeffrey Hammond, and Dave Pegg. More: en.wikipedia.org.