Question: The David Bowie bootleg "Zion" was recorded during Bowie's this album sessions that Bowie wrote after his breakthrough The Rise and Fall of Ziggy Stardust and the Spiders from what?

full_context: Document 1: Moonage Daydream: "Moonage Daydream" is a song written by David Bowie in 1971, first released as a single with the band Arnold Corns. A re-recorded version, featuring Bowie and his band The Spiders from Mars, was released in 1972 on "The Rise and Fall of Ziggy Stardust and the Spiders from Mars".
Document 2: David Bowie: David Robert Jones (8 January 1947 – 10 January 2016), known professionally as David Bowie ( ), was an English singer, songwriter and actor. He was a leading figure in popular music for over five decades, acclaimed by critics and other musicians for his innovative work. His career was marked by reinvention and visual presentation, his music and stagecraft significantly influencing popular music. During his lifetime, his record sales, estimated at 140 million albums worldwide, made him one of the world's best-selling music artists. In the UK, he was awarded nine platinum album certifications, eleven gold and eight silver, releasing eleven number-one albums. In the US, he received five platinum and nine gold certifications. He was inducted into the Rock and Roll Hall of Fame in 1996.
Document 3: David Bowie (box set): David Bowie (often referred to as David Bowie Box or Bowie Box Set) is a box set released by Sony Music Entertainment and Columbia Records. The box set includes expanded versions of all Sony-owned albums by David Bowie: "Outside", "Earthling", "Hours", "Heathen" and "Reality" (The three albums - "Outside", "Earthling", and "Hours" were originally issued on Virgin Records in America, but released by BMG internationally).
Document 4: Aladdin Sane (song): "Aladdin Sane (1913–1938–197?)" is a song by David Bowie, the title track from his 1973 album "Aladdin Sane". Described by biographer David Buckley as the album's "pivotal" song, it saw Bowie moving into more experimental musical styles following the success of his breakthrough glam rock release "The Rise and Fall of Ziggy Stardust and the Spiders from Mars" in 1972.
Document 5: Rock 'n' Roll Suicide: "Rock 'n' Roll Suicide" is a song by David Bowie, originally released as the closing track on the album "The Rise and Fall of Ziggy Stardust and the Spiders from Mars" in June 1972. It detailed Ziggy's final collapse as an old, washed-up rock star and, as such, was also the closing number of the Ziggy Stardust live show. In April 1974 RCA issued it as a single.
Document 6: Ziggy Stardust (song): "Ziggy Stardust" is a song written and recorded by David Bowie for his 1972 concept album "The Rise and Fall of Ziggy Stardust and the Spiders from Mars". The song describes Bowie's alter ego Ziggy Stardust, a rock star who acts as a messenger for extraterrestrial beings. In 2010 the song ranked at No. 282 on "Rolling Stone" Magazine's list of "The 500 Greatest Songs of All Time". The song is one of four of Bowie's songs included in The Rock and Roll Hall of Fame's 500 Songs that Shaped Rock and Roll.
Document 7: Lady Stardust: "Lady Stardust" is a song written by David Bowie that appeared on the album "The Rise and Fall of Ziggy Stardust and the Spiders from Mars" (1972). The song is generally interpreted as alluding to fellow glam rock icon Marc Bolan. The original demo version was entitled "He Was Alright (A Song for Marc)." The song was released as a single in 2017 to coincide with the "David Bowie Is" exhibition in Japan.
Document 8: Aladdin Sane: Aladdin Sane is the sixth studio album by English musician David Bowie, released by RCA Records on 13 April 1973. The follow-up to his breakthrough "The Rise and Fall of Ziggy Stardust and the Spiders from Mars", it was the first album he wrote and released from a position of stardom.
Document 9: Zion (song): "Zion" is a David Bowie bootleg. It is most commonly said to have been recorded at Trident Studios in January 1973, during Bowie's "Aladdin Sane" sessions.
Document 10: Ziggy Stardust and the Spiders from Mars (film): Ziggy Stardust and the Spiders from Mars (sometimes called Bowie 1973) is a 1973 documentary and concert film by D. A. Pennebaker. It features David Bowie and his backing group The Spiders from Mars performing at the Hammersmith Odeon in London on 3 July 1973. At this show, Bowie made the sudden surprise announcement that the show would be "the last show that we'll ever do", later understood to mean that he was retiring his Ziggy Stardust persona.
Document 11: Blackstar (album): ★ (pronounced and stylised as Blackstar) is the twenty-fifth and final studio album by the English musician David Bowie. It was released worldwide through ISO, RCA, Columbia, and Sony on 8 January 2016, coinciding with Bowie's 69th birthday. The album was largely recorded in secret between The Magic Shop and Human Worldwide Studios in New York City with Bowie's longtime co-producer Tony Visconti and a group of local jazz musicians.
Document 12: Changes (David Bowie song): "Changes" is a song by David Bowie, originally released on the album "Hunky Dory" in December 1971 and as a single in January 1972. Despite missing the Billboard top 40, "Changes" became one of Bowie's best-known songs. The lyrics are often seen as a manifesto for his chameleonic personality, the frequent change of the world today, and frequent reinventions of his musical style throughout the 1970s. This single is cited as David Bowie's official North American debut, despite the fact that the song "The Man Who Sold the World" was released in North America two years prior. This was the last song Bowie performed live on stage before his retirement from live performances at the end of 2006.
Document 13: Ziggy Stardust Tour: The Ziggy Stardust Tour was a concert tour by David Bowie in United Kingdom, North America, and Japan in 1972–73, to promote the studio albums "The Rise and Fall of Ziggy Stardust and the Spiders from Mars" and "Aladdin Sane".
Document 14: Death of David Bowie: On 10 January 2016, English singer, songwriter and actor David Bowie died at his New York City apartment, having suffered from liver cancer for the previous 18 months. His death occurred two days after the release of his twenty-fifth studio album, "Blackstar", which coincided with his 69th birthday.
Document 15: Ziggy Stardust: The Motion Picture: Ziggy Stardust: The Motion Picture is a live album by David Bowie, corresponding to the film of the same name. The music was recorded at the Hammersmith Odeon in London on 3   1973 (1973--) , although the album was not issued by RCA Records until 1983. Prior to that it had existed in bootleg form, notably "His Masters Voice – Bowie and the Spiders From Mars' Last Stand".
ground_truth: Mars