Question: Who was born first, Bill Kaulitz or Blaze Bayley?

full_context: Document 1: Bruce Dickinson discography: Bruce Dickinson, a British heavy metal singer, has released six studio albums, two live albums, one compilations, ten singles, three video albums, fourteen music videos, and one box set. In 1979, after playing in local groups, Dickinson joined hard rock band Samson. He departed after two years to become Iron Maiden's lead vocalist. His debut with this band is considered a "masterpiece", which was followed with a series of top-ten releases. In 1989, while Iron Maiden were taking a year off, Dickinson and former Gillan guitarist, Janick Gers, composed a song for . His solo debut, "Tattooed Millionaire" (1990), was an effort that favoured a hard rock/pop metal approach, different from what fans assumed would be an aggressive, Iron Maiden-like album. Four songs—the title track, "Dive! Dive! Dive!", "Born in '58", and a cover version of David Bowie's "All the Young Dudes"—were released as singles. Dickinson returned to Iron Maiden, accompanied by Gers as the new guitarist, and the project went on hiatus. "Dive! Dive! Live!" was a live video recorded from a concert in Los Angeles, California, in August 1990, and released in July 1991.
Document 2: Wolfsbane (album): Wolfsbane was the 1994 third eponymous album from British heavy metal band Wolfsbane. Not long after the album's release, vocalist Blaze Bayley took over Bruce Dickinson's position as the lead vocalist for Iron Maiden. It would end up becoming Wolfsbane's final studio album before their 16-year breakup from 1994 to 2010.
Document 3: Tokio Hotel discography: The discography of Tokio Hotel, a German rock group, consists of four studio albums, two live albums, one EP, one compilation album, seventeen singles, twenty-one music videos, and five video albums. Tokio Hotel was formed in 2001 in Magdeburg, Germany, by singer Bill Kaulitz, guitarist Tom Kaulitz, drummer Gustav Schäfer and bassist Georg Listing. The group's debut single, "Durch den Monsun", entered the German singles chart at Number 15 on 20 August 2005, and reached Number 1 the following week. It also reached Number 1 on the Austrian singles chart. It was followed up with the single "Schrei", which failed to match the success of "Durch den Monsun"; its highest chart position was Number 3 in Austria. The band released their debut album, "Schrei", on 19 September 2005. It topped the charts in Germany and Austria, and was certified Platinum by the German and Austrian affiliates of the International Federation of the Phonographic Industry (IFPI) and by the Syndicat National de l'Édition Phonographique (SNEP) in France. In 2006, a third and fourth single, "Rette mich" and "Der letzte Tag", were released; both reached Number 1 in Germany and Austria. The lead single from Tokio Hotel's second album, "Zimmer 483", was "Übers Ende der Welt", released on 26 January 2007. It became Tokio Hotel's fourth single to have reached Number 1 on the German and Austrian charts. "Zimmer 483" was released on 23 February 2007, and reached the top spot on the German albums chart. The album's second single, "Spring nicht", was released on 7 April, charting at Number 3 in Germany, 7 in Austria, and 21 in Switzerland. "Zimmer 483" was certified gold in three countries.
Document 4: Bill Kaulitz: Bill Kaulitz (born September 1, 1989), also known mononymously as Billy (stylized as BILLY) for his solo act, is a German singer, songwriter, voice actor, designer, and model. He is best known for his work from 2001 to the present as the lead singer of the band Tokio Hotel.
Document 5: Virtual XI World Tour: The Virtual XI Tour was a concert tour by the heavy metal band Iron Maiden from 22 April 1998 to 12 December 1998. As with their previous tour, several of the band's U.S. shows had to be cancelled after vocalist Blaze Bayley had issues with his voice, this time reportedly from an allergic reaction to pollen and dust while the group were in Nevada and Arizona. The band later made up the Los Angeles and San Diego dates. This would be Iron Maiden's last tour with Bayley as then former vocalist Bruce Dickinson would return to the group the following year.
Document 6: Bilal (American singer): Bilal Sayeed Oliver (born August 23, 1979), better known mononymously as Bilal, is an American singer-songwriter, musician and producer. He is currently an independent artist residing in New York City.
Document 7: Billy Werner: Billy Werner is an American musician, singer, songwriter, and DJ. He is best known as the lead vocalist of the post-hardcore bands Saetia and Hot Cross.
Document 8: Alive in Poland: Alive in Poland is the fifth release and second live album by English heavy metal band Blaze Bayley, released in 2007. It features mostly the band's original material, though they also play some Iron Maiden and Wolfsbane covers, as lead singer Blaze Bayley used to be in both bands.
Document 9: Ozzy Osbourne: John Michael "Ozzy" Osbourne (born 3 December 1948) is an English singer, songwriter, and actor. He rose to prominence in the early 1970s as the lead vocalist of the heavy metal band Black Sabbath. He was fired from Black Sabbath in 1979 and went on to have a successful solo career, releasing 11 studio albums, the first seven of which were all awarded multi-platinum certifications in the US. Osbourne has since reunited with Black Sabbath on several occasions, recording the album "13" in 2013. His longevity and success have earned him the informal title of "Godfather of Heavy Metal".
Document 10: Billy Milano: Billy Milano is a Bronx-born heavy metal musician now based in Austin, Texas. He is the singer and - occasionally - guitarist and bassist of crossover thrash band M.O.D., and he was also the singer of its predecessor, Stormtroopers of Death. He was also the singer of United Forces, which also featured his Stormtroopers of Death bandmate Dan Lilker.
Document 11: Billy Mackenzie: William MacArthur "Billy" MacKenzie (27 March 1957 – 22 January 1997) was a Scottish singer, with a distinctive high tenor voice; he was best known as a member of The Associates.
Document 12: Blaze Bayley: Blaze Bayley (born Bayley Alexander Cooke, 29 May 1963) is an English singer, musician, songwriter, and lyricist. He was the lead singer of Wolfsbane from 1984 to 1994, and currently from 2010 following reunions in 2007 and 2009. Bayley was also the lead singer for Iron Maiden from 1994 to 1999. Since then, he has embarked on a solo career.
Document 13: Bruce Dickinson: Paul Bruce Dickinson (born 7 August 1958), known professionally as Bruce Dickinson, is an English singer, songwriter, musician, airline pilot, entrepreneur, author and broadcaster. He is the lead singer of the heavy metal band Iron Maiden and is renowned for his wide-ranging operatic vocal style and energetic stage presence.
Document 14: As Live as It Gets: As Live As It Gets is the third release and first live album by English heavy metal band Blaze Bayley, then known as Blaze, released in 2003. It features mostly the band's original material, though they also play some Iron Maiden and Wolfsbane covers, as lead singer Blaze Bayley used to be in both bands. The band also covers the Led Zeppelin track "Dazed and Confused", which appeared earlier as a studio track on the Led Zeppelin tribute album ""The Music Remains The Same"".
Document 15: Loitsche: Loitsche is a village and a former municipality in the Börde district in Sachsen-Anhalt, Germany. Since 1 January 2010, it is part of the municipality Loitsche-Heinrichsberg. This is where Tokio Hotel singer Bill Kaulitz and guitarist Tom Kaulitz grew up.
ground_truth: Blaze Bayley