Jethro Tull is a British rock band formed in 1967, known for their unique blend of rock, folk, and progressive music. The band is named after the 18th-century agricultural pioneer Jethro Tull, who invented the seed drill. Their music often features the distinctive sound of the flute, played by lead vocalist Ian Anderson, which sets them apart from other rock bands of the era. The band gained popularity in the early 1970s with albums like Aqualung and Thick as a Brick. Their innovative approach to music and theatrical live performances earned them a dedicated fan base and critical acclaim, making them one of the most successful bands of their time.