Question: What documentary about the making of Number of the Beast features the performers of Running Free?

full_context: Document 1: The Number of the Beast (song): "The Number of the Beast" is a song by the English heavy metal band Iron Maiden. It is Iron Maiden's seventh single release, and the second single from their 1982 studio album of the same name. It was reissued in 2005 and also prior to that in 1990 in "The First Ten Years" box set on CD and 12" vinyl, in which it was combined with the previous single, "Run to the Hills".
Document 2: Running Free: "Running Free" is the debut single by Iron Maiden, released on 8 February 1980 on the 7" 45 rpm vinyl record format. It was written by Steve Harris and Paul Di'Anno. The song appears as the third track on the band's debut album "Iron Maiden" (and the fourth track on its 1998 re-release). In 1985, a live version of the song was released as the first single from "Live After Death" (the band's twelfth single). In 1990, the original single was reissued on CD and 12" vinyl as part of "The First Ten Years" box, in which it was combined with the band's next single, "Sanctuary". The 1985 live single was also released as part of this box set, combined with 1985's "Run to the Hills".
Document 3: Run to the Hills: ``Run to the Hills ''is a song by the English heavy metal band Iron Maiden. It was released as their sixth single and the first from the band's third studio album, The Number of the Beast (1982). Credited solely to the band's bassist, Steve Harris, although significant contributions were made by lead vocalist Bruce Dickinson, it remains one of their most popular songs, with VH1 ranking it No. 27 on their list of the 40 Greatest Metal Songs and No. 14 on their list of the Greatest Hard Rock Songs.
Document 4: Sanctuary (Iron Maiden song): "Sanctuary" is the second single released by the British heavy metal band Iron Maiden. The single was released on 23 May 1980. Although originally issued as a non-album single, the song was added to the later US release of their debut studio record, "Iron Maiden" (1980). When the album was re-released in 1998, the song was added in all territories. In 1990, the 12" version was reissued on CD and 12" vinyl in "The First Ten Years" box set, in which it was combined with their first single, "Running Free".
Document 5: Beast over Hammersmith: Beast over Hammersmith is a live album by the British heavy metal band Iron Maiden, released on 4 November 2002. Recorded 20 years previously, during The Beast On The Road tour at the Hammersmith Odeon, the footage was specially co-produced and mixed by Steve Harris and Doug Hall to be a part of the Eddie's Archive box set. Even though this album contains material from "The Number of the Beast", it was actually recorded two days prior to its release (although "Run to the Hills" had already been released as a single).
Document 6: Best of the Beast: Best of the Beast was Iron Maiden's first "best of" album, released in 1996 in three formats: a 34 track (four disc) vinyl, a 27 track (two disc) CD, a 16 track (single disc) CD and MiniDisc. The vinyl edition is, to date, the band's longest record release, running for over three hours.
Document 7: The Number of the Beast (song): ``The Number of the Beast ''is a song by the English heavy metal band Iron Maiden. It is Iron Maiden's seventh single release, and the second single from their 1982 studio album of the same name. It was reissued in 2005 and also prior to that in 1990 in The First Ten Years box set on CD and 12'' vinyl, in which it was combined the previous single,`` Run to the Hills ''.
Document 8: Iron Maiden (album): Iron Maiden Studio album by Iron Maiden Released 14 April 1980 Recorded January 1980 Studio Kingsway Studios, London, England Genre Heavy metal Length 37: 35 Label EMI Harvest / Capitol (North America) Producer Wil Malone Iron Maiden studio albums chronology Iron Maiden (1980) Killers (1981) Killers 1981 1998 remastered version cover Singles from Iron Maiden ``Running Free ''Released: 8 February 1980`` Sanctuary *'' Released: 23 May 1980 * Not an original album track, but added to later editions
Document 9: Iron Maiden: Iron Maiden are an English heavy metal band formed in Leyton, East London, in 1975 by bassist and primary songwriter Steve Harris. The band's discography has grown to thirty-nine albums, including sixteen studio albums, twelve live albums, four EPs, and seven compilations.
Document 10: Classic Albums: Iron Maiden – The Number of the Beast: Classic Albums: Iron Maiden -- The Number of the Beast is a documentary about the making of the album of the same name by the British heavy metal band Iron Maiden, released on 26 November 2001 as part of the Classic Albums documentary series. Directed by Tim Kirkby, it featured cuts from the title track, ``Children of the Damned '',`` Run to the Hills'', and ``The Prisoner, ''in addition to extended interviews and live footage of`` Hallowed Be Thy Name'', recorded during the band's performance at the Rock in Rio festival in 2001.
Document 11: Rock in Rio (album): The video release, which was issued on DVD, VHS and UMD, was edited by bassist and founder member Steve Harris. In addition to the concert, the second disc also includes three special features with interviews with band members, a short documentary on the day in the life of Iron Maiden, and photos by official photographer, Ross Halfin.
Document 12: Raising Hell (video): Raising Hell is a concert video by the heavy metal band Iron Maiden, filmed on 28 August 1993 at the Pinewood Studios in London, England and broadcast live on pay-per-view television in the United Kingdom and on MTV in North America. The video was originally distributed on VHS and Laserdisc by BMG Special Products in the US and EMI in the rest of the world. It was subsequently released on DVD several years later in the US.
Document 13: Visions of the Beast: Visions of the Beast was released by Iron Maiden on 2 June 2003 and contains every promotional video through 2001's "Rock in Rio". It is basically an updated version of "" and "From There to Eternity". It also includes never-before-seen Camp Chaos animated versions of six definitive Iron Maiden songs, interactive menus and discographies, and some special hidden extras.
Document 14: The Soundhouse Tapes: The Soundhouse Tapes is the debut EP by Iron Maiden, and features the very first recordings by the band. Released on 9 November 1979, it features three songs taken from the demo tape recorded at Spaceward Studios on December 30/31 1978. The three tracks - "Prowler", "Invasion" and "Iron Maiden" - appear in a rougher form than they would on the first Iron Maiden album and subsequent singles as they were all recorded in one session.
Document 15: Run to the Hills: "Run to the Hills" is a song by the English heavy metal band Iron Maiden. It was released as their sixth single and the first from the band's third studio album, "The Number of the Beast" (1982). Credited solely to the band's bassist, Steve Harris, although significant contributions were made by lead vocalist Bruce Dickinson, it remains one of their most popular songs, with VH1 ranking it No. 27 on their list of the 40 Greatest Metal Songs and No. 14 on their list of the Greatest Hard Rock Songs.
ground_truth: Classic Albums: Iron Maiden -- The Number of the Beast
sub_queries: Running Free >> performer Answer: Iron Maiden
Iron Maiden making of number of the beast Answer: Classic Albums: Iron Maiden -- The Number of the Beast