Question: When was the band, whose seventh studio album is Drones, formed ?

Context articles: Seekers and Finders
Reapers (song)
The Globalist (song)
Psycho (Muse song)
Defector (song)
Citizen Erased
Drones (Muse album)
Warpaint (The Black Crowes album)
Revolt (Muse song)
Muse (band)

Seekers and Finders is the seventh studio album by Gypsy-punk band Gogol Bordello.
 It was released in August 2017 under Cooking Vinyl, is their seventh studio album, and their first studio album since 2013's "Pura Vida Conspiracy".
 This is the first Gogol Bordello album produced by frontman Eugene Hütz.
"Reapers" is a song by English rock band Muse.
 It was released as the second promotional single from the band's seventh studio album "Drones", and was given a 7" single release, as part of Record Store Day 2016, on 16 April 2016 as the fifth and final single from Drones.
 It peaked at number 75 on the French Singles Chart, 71 on the Swiss Hitparade singles chart, 37 on "Billboard"' s Hot Rock Songs, and became Muse's highest-charting single on "Billboard"' s Mainstream Rock Songs at number 2.
"The Globalist" is a song by English rock band Muse, and the eleventh track from the band's seventh studio album "Drones".
 An apocalyptic song, it serves as a sequel to "Citizen Erased".
 Part of this song contains music based on "Nimrod" from "Enigma Variations", composed by Edward Elgar.
 The song follows "Aftermath", which centers on the album's protagonist discovering love.
 Matt Bellamy has said that the album's negative stories, "The Globalist" and "Drones", serve as epilogue.
 At ten minutes and seven seconds, it is the second longest song in Muse's discography, after "".
"Psycho" is a song by the English rock band Muse from their seventh studio album "Drones", released on 12 March 2015 as a promotional single and the first from the album.
 It was later featured as the B-side to the official lead single later that month, "Dead Inside".
"Defector" is a song by English rock band Muse.
 It serves as the eighth track and fourth promotional single from the band's seventh studio album "Drones".
 The song is preceded by a track titled "<nowiki>[JFK]</nowiki>", a minute-long track consisting of speech from former United States president John F. Kennedy, which crossfades into "Defector".
 The song peaked at number 85 on the French Singles Chart.
"Citizen Erased" is a song by English alternative rock band Muse from their second studio album "Origin of Symmetry".
 The track is 7 minutes and 21 seconds long, making it the second longest single track in Muse's discography behind "The Globalist", the eleventh track from the band's seventh studio album "Drones", and fourth longest piece.
 The song has a synthesized ending that leads straight into the next track on the album, "Micro Cuts".
 The song has long been a fan favourite, and in July 2007, a Muse fan site, Muselive.com, launched a campaign to get it into the singles charts through various download sources.
 The track managed to get to number one on the British download company 7digital's charts, but failed to make it into the UK Singles Chart.
 It did, however, chart at number 122.
 On 9 December 2010 in Sydney, Australia, Bellamy temporarily changed "Citizen Erased" to "Citizen Arrested" as a response to the Australian founder of WikiLeaks, Julian Assange's, arrest in Sweden regarding alleged sexual offences.
Drones is the seventh studio album by the English rock band Muse, released on 5 June 2015 in Europe and 8 June in the United Kingdom under Warner Bros.
 Records and Helium-3.
 It was recorded between October 2014 and April 2015 at the Warehouse Studio in Vancouver, British Columbia, co-produced by the band and Robert John "Mutt" Lange.
Warpaint is the seventh studio album by American rock band The Black Crowes.
 Released on March 3, 2008, it was the band's seventh studio album and first studio album in almost seven years, and its first with new members Luther Dickinson and Adam MacDougall, as well as the first to be released on the band's own Silver Arrow Records label.
 Despite its predecessor selling more copies, "Warpaint" debuted 15 spots higher in the United States.
"Revolt" is a song by the English rock band Muse from their seventh studio album, "Drones" (2015).
 It was released as the third single from the album on 4 November 2015.
Muse are an English rock band from Teignmouth, Devon, formed in 1994.
 The band consists of Matt Bellamy (lead vocals, guitar, piano, keyboards), Chris Wolstenholme (bass guitar, backing vocals, keyboards) and Dominic Howard (drums, percussion).