Stand Up is the second studio album by British rock band Jethro Tull, released in 1969. It was the first Jethro Tull album to feature guitarist Martin Barre (following the departure of original guitarist Mick Abrahams). The album quickly went to No. 1 on the UK charts and was the band's first success in the United States, reaching No. 20 on the US Billboard 200. All songs written by Ian Anderson except "Bourée" by J. S. Bach, arranged by Ian Anderson. Ian Anderson – vocals, flute, acoustic guitar, Hammond organ, piano, mandolin, balalaika, mouth organ Martin Lancelot Barre – electric guitar, flute Glenn Cornick – bass guitar Clive Bunker – drums, percussion Strings arranged and conducted by David Palmer Engineering and mixing by Andy Johns Producer : Ian Anderson and Terry Ellis Recorded at Morgan Studios, London Label : Island , Reprise Prior to the recording of the album, the band's original guitarist Mick Abrahams had left the band due to musical differences with Ian Anderson. Abrahams wanted to stay with the blues-rock sound of the band's first album "This Was", while Anderson wished to branch out into other musical forms. Stand Up represents the first album project on which Anderson was in full control of the music and lyrics. The album goes in a different direction from his earlier work, revealing influences from Celtic music, folk and classical music. The instrumental "Bourée" (one of Jethro Tull's better-known songs) is a re-working of "Bourrée in E