Tull in their pomp. An acknowledgement of their bluesy origins in the intro leading into a complete rock-out and then one of Ian Anderson’s trademark flute solos. The mix of blues and rock also pointed to Prog Rock leanings but Tull always denied they ever purveyed Prog.

Edited to add. This video has the LP track overdubbed onto concert footage.

Jethro Tull: Locomotive Breath