A is the 13th studio album by Jethro Tull. It was released on August 29, 1980 in the U.K. and September 1 of the same year in the United States. The album was recorded in the summer of 1980 using Maison Rouge Mobile and Maison Rouge Studios in Fulham, London. Eddie Jobson guested on the album, playing keyboards and electric violin. The album was produced by Ian Anderson and Robin Black.