Jethro Tull's prog rock hit rejected the hippy idealism of Swinging London. Ian McCann explores its influence on musicians from Maynard Ferguson to Francis Dunnery. Credit: Parlophone UK, Wounded Bird Records, Rak, Warner Music.
Each week we bring you the story of a song, from its origins and early recordings through cover versions good and bad. Each episode is written and presented by an FT music critic or contributor. Formerly called FT Arts.