Editing Heavy Horses (section)

==Recording==
''Heavy Horses'' was the first album recorded by Jethro Tull at the newly constructed Maison Rouge studio in [[Fulham]], [[London]], a custom built recording studio which was funded and owned by [[Ian Anderson]].<ref name="NewShoesEdition">{{cite magazine|last=Webb|first=Martin|title=An Honest Day's Toil|journal=Heavy Horses: New Shoes Edition|publisher=Chrysalis Records|year=2018}}</ref> Much of the album was recorded at night, as Anderson felt that daytime hours at the studio needed to be left open for potential business clients. Keyboardist [[Dee Palmer]] recalled his diary entries at the time of recording as saying that "I'd start at 7pm and go home at 7am!"<ref name="NewShoesEdition" /> ''Heavy Horses'' was the first album on which Anderson began to experience vocal issues, the beginning of an affliction which would become more serious in the 1980s and later develop into [[chronic obstructive pulmonary disease]]. Anderson's vocals sound more nasal and gruff on some of the album's tracks as a result, particularly on the [[Heavy Horses (song)|title track]].<ref name="NewShoesEdition" />

As with the band's previous album ''[[Songs from the Wood]]'', other members of the band beyond just Anderson were involved in writing music for the album, with guitarist [[Martin Barre]] writing portions of the title track and "No Lullaby" and Palmer writing string arrangements for most of the album as well as the instrumental bridge of "...And the Mouse Police Never Sleeps".<ref name="NewShoesEdition" /> [[Darryl Way]] of [[Curved Air]] guests on the album, playing violin on the title track and "Acres Wild".

Several songs were recorded but then abandoned or otherwise cut from the album during the recording sessions, including the [[B-side]] "Beltane", a completely finished song titled "Everything in Our Lives" and an early acoustic version of "Jack-a-Lynn", a song which would later be re-recorded during sessions for the band's 1982 album ''[[The Broadsword and the Beast]]''. Many of the unreleased songs recorded during the album's sessions were later released on the ''[[20 Years of Jethro Tull]]'' anniversary compilation in 1988 and the 40th anniversary "New Shoes" edition of the album in 2018. Upon remixing of the album for the 40th anniversary edition, it was discovered that the original masters of "Moths" and "Rover" were slightly [[Sharp (music)|sharp]], likely as a result of a faulty tape machine. The remixed versions of the tracks included on the re-release of the album were slightly pitched down to correct this.<ref name="NewShoesEdition" />