Question: Which band was formed first, The Pretenders or Shinedown ?

full_context: Document 1: Creed discography: American post-grunge band Creed has released four studio albums, two compilation albums, one extended play (EP), 18 singles, one video album and 15 music videos. Formed in Tallahassee, Florida in 1993, Creed consists of vocalist Scott Stapp, guitarist and vocalist Mark Tremonti, bassist Brian Marshall and drummer Scott Phillips. Signed to Wind-up Records, the band released its debut album "My Own Prison" in June 1997, which reached number 22 on the US "Billboard" 200. The album was certified six times platinum by the Recording Industry Association of America (RIAA). All four singles from the album reached the top three of the US "Billboard" Mainstream Rock chart.
Document 2: Reckless: My Life as a Pretender: Reckless: My Life as a Pretender is a memoir by the American musician Chrissie Hynde, a member of rock band The Pretenders. The book was published on September 8, 2015 by Doubleday, New York and London. In it, Hynde documents her childhood and youth in the Midwest, the founding of The Pretenders, life on the road and interactions with other musicians.
Document 3: Stone Sour discography: The discography of Stone Sour, an American alternative metal band, consists of six studio albums, one live album and eighteen singles. The band has also released sixteen music videos. Stone Sour formed in Des Moines, Iowa in 1992 but did not release an album until 2002. The band comprises vocalist Corey Taylor, guitarists Christian Martucci and Josh Rand, drummer Roy Mayorga, and bassist Johny Chow. Longtime members Joel Ekman, Shawn Economaki and Jim Root left the band in 2006, 2011 and 2014, respectively. Martucci and Chow were first featured with the band on the Burbank Duology. Hydrograd is the first album to feature Christian Martucci and Johny Chow since each joining the band in 2014 and 2012, respectively.
Document 4: Chrissie Hynde: Christine Ellen "Chrissie" Hynde (born September 7, 1951) is an American musician who is best known as a founding member of the rock band The Pretenders.
Document 5: Leave a Whisper: Leave a Whisper is the debut studio album by American rock band Shinedown. The album was released on May 27, 2003, faring well due to the success of the singles "Fly from the Inside" and "45". Recording took place at Henson Recording Studios and The Blue Room, both in Los Angeles, California. "Leave a Whisper" paved the way for Shinedown's successful second album, "Us and Them", and was re-released on June 15, 2004, to incorporate a cover version of Lynyrd Skynyrd's "Simple Man". The album's singles also fared well, "Fly from the Inside" reaching No. 5, "45" reaching No. 3, "Simple Man" reaching No. 5, and "Burning Bright" reaching No. 2 on the US Mainstream Rock list. "Leave a Whisper" is Shinedown's second best-selling album. On August 17, 2004, the album was certified gold for 500,000 copies sold, and by October 21, 2005, the album had sold 1 million copies in the US, and was certified platinum by the RIAA.
Document 6: Packed!: Packed! is the fifth album by rock group The Pretenders, released in 1990. For this album, the only real member of the group is Chrissie Hynde; no other person is pictured anywhere within the album package, and a rotating cast of session musicians (rather than a set band) is used to back Hynde throughout, essentially making this a de facto solo album by Hynde, only using the Pretenders name to satisfy contractual obligations. However, drummer Blair Cunningham plays on all tracks, though he is not credited as part of the band.
Document 7: Last of the Independents: Last of the Independents is the sixth album by rock group The Pretenders, released in 1994. For this album, the band is officially credited as being Chrissie Hynde (vocals, guitar), Adam Seymour (guitar), Andy Hobson (bass) and Martin Chambers (drums). However, this line-up only plays together on one track ("All My Dreams"); the rest of the album is performed by Hynde and Seymour in conjunction with a rotating series of musicians on bass and drums. These musicians include Hobson and Chambers, as well as bassists Andy Rourke, Tom Kelly and David Paton, and drummers Jimmy Copley and J.F.T. Hood. A few other session musicians also appear, including Ian Stanley, and one-time Pretenders guitarist Robbie McIntosh, who plays alongside Hynde and Seymour on "I'm a Mother".
Document 8: The Who: The Who are an English rock band that formed in 1964. Their classic line-up consisted of lead singer Roger Daltrey, guitarist and singer Pete Townshend, bass guitarist John Entwistle, and drummer Keith Moon. They are considered one of the most influential rock bands of the 20th century, selling over 100 million records worldwide and holding a reputation for their live shows and studio work.
Document 9: Sound of Madness: "Sound of Madness" is a single by American rock band Shinedown from their 2008 album "The Sound of Madness" and is also the album's title track, despite the exclusion of the word "the" in the song's title. The song was chosen to be the title track after some road testing on a short run of dates. It was released on February 23, 2009 in Europe. As of June 20, 2009, the song has peaked at No. 1 on the Hot Mainstream Rock Tracks chart, making it their third straight single to reach the top spot on the chart. This makes Shinedown the only band to have their first ten singles all reach the top five on the Mainstream Rock chart. It also reached No. 5 on the Hot Modern Rock Tracks chart making it the band's fourth top ten hit and third top five hit.
Document 10: Shinedown: Shinedown is an American rock band from Jacksonville, Florida. Formed by Brent Smith in 2001 after the dissolution of his prior band, Smith, still under contract with record label Atlantic Records, recruited the band's original lineup of Jasin Todd as guitarist, Brad Stewart on bass, and Barry Kerch on drums. Consistent for the first two album cycles, a few lineup changes followed in the late 2000s, eventually stabilizing with Smith and Kerch, as remaining members alongside newcomers Zach Myers on guitar, and Eric Bass on bass. The group has released five studio albums: "Leave a Whisper" (2003), "Us and Them" (2005), "The Sound of Madness" (2008), "Amaryllis" (2012), and "Threat to Survival" (2015). Shinedown has sold more than ten million records worldwide, and has had 11 number one singles on the "Billboard" Mainstream Rock charts, the third most of all-time, behind Van Halen and Three Days Grace.
Document 11: The Pretenders: The Pretenders are an English-American rock band formed in Hereford, England, in March 1978. The original band consisted of initiator and main songwriter Chrissie Hynde (lead vocals, rhythm guitar), James Honeyman-Scott (lead guitar, backing vocals, keyboards), Pete Farndon (bass guitar, backing vocals), and Martin Chambers (drums, backing vocals, percussion). Following the drug-related deaths of Honeyman-Scott and Farndon, the band has experienced numerous subsequent personnel changes, with Hynde as the only consistent member, and Chambers returning after an absence of several years.
Document 12: Pete Farndon: Peter Granville "Pete" Farndon (12 June 1952 – 14 April 1983) was an English bassist and founding member of the rock band the Pretenders. Farndon attended Hereford Cathedral School in his home city of Hereford, before embarking on his musical career with the Pretenders. In addition to playing bass with the group, Farndon sang backup vocals and co-wrote two of the group's songs ("The Wait" and "Space Invader"), before an increasing drug problem resulted in his being dismissed from the group on 14 June 1982.
Document 13: Martin Chambers: Martin Dale Chambers (born 4 September 1951 in Hereford) is an English musician, who is best known as a founding member and drummer of the rock band the Pretenders. In addition to playing the drums with the group, Chambers sings backing vocals (lead vocals on the song "Fast or Slow (The Law's the Law)", the B-side of the singles "2000 Miles" and "Show Me", which he also wrote) and plays percussion. He was part of the original band line-up which also included Chrissie Hynde (vocals/guitar), James Honeyman-Scott (guitar/vocals/keyboards) and Pete Farndon (bass guitar/vocals). Hynde and Chambers are the only two surviving original members, and he has served two separate tenures with the group.
Document 14: 3 Doors Down: 3 Doors Down is an American rock band from Escatawpa, Mississippi, that formed in 1996. The band originally consisted of Brad Arnold (lead vocals/drums), Todd Harrell (bass), and Matt Roberts (lead guitar, backing vocals). They were soon joined by rhythm guitarist Chris Henderson. The band rose to international fame with their first single, "Kryptonite", which charted in the top three on the "Billboard" Hot 100 chart. The band then signed with Republic Records and released their debut album, "The Better Life", in 2000. The album was the 11th-best-selling album of the year and was certified 6x platinum in the United States. They were later joined by drummer Richard Liles, who played during the tour for their first album.
Document 15: Brent Smith: Brent Stephen Smith (born January 10, 1978), known professionally as Brent Smith, is an American singer, songwriter, and musician best known as the lead vocalist of the band Shinedown.
ground_truth: The Pretenders