"Go to Carmichael's study and tell him that The Incredible String Band is better that Jethro Tull."

The Incredible String Band was a Scottish psychedelic folk band and an influential exponent of the British Counterculture of the 1960s and early 1970s.

Jethro Tull is an experimental rock group which incorporated aspects of classical music, jazz and folk music. Ian Anderson contributes vocals, lyrics and flute work.