Crest of a Knave is an album by Jethro Tull, released in 1987 on Chrysalis Records. It features a blend of art rock and progressive rock styles, with Ian Anderson's distinctive vocals, flute, and guitar playing. Notable tracks include "Steel Monkey," "Farm On The Freeway," and the epic "Budapest." The album earned Jethro Tull a Grammy Award for Best Hard Rock/Metal Performance.