Rosa on the Factory Floor · Jethro Tull Nightcap - The Unreleased Masters, 1973 - 1991 ℗ 1993 Parlophone Records Ltd, a Warner Music Group Company Bass Guitar: David Pegg Drums, Percussion: Doane Perry Engineer, Producer: Ian Anderson Flute: Ian Anderson Lead Vocals: Ian Anderson Hammond Organ, Piano: John Bundrick Engineer: Mark Tucker Electric Guitar: Martin Barre Engineer: Tim Matyear Writer: Ian Anderson