Question: What year was the band who released Signs of Light formed?

Context paragraphs:
All We Ever Knew: "All We Ever Knew" is a song written and recorded by American folk band The Head and the Heart, released as the lead single for their third studio album "Signs of Light" by Warner Bros.  Records.  The song was written by the band and produced by Jay Joyce.

Desecravity: Desecravity is a technical death metal band formed in 2007 from Tokyo, Japan.  The band is signed to Willowtip Records and released their full-length debut album entitled "Implicit Obedience" on January, 2012 and the second full-length album entitled "Orphic Signs" on November, 2014.

Signs of Life (Poets of the Fall album): Signs of Life is the debut album by the Finnish alternative rock band Poets of the Fall.  It was released on 19 January 2005 and debuted at number-one on the Finnish charts.  The album was certified platinum on 26 April 2006 and remained in the Top 40 for more than one year (56 weeks).  The album was released on the iTunes Music Shop in Finland, Norway, Denmark and Sweden in August 2005.  It was released on iTunes for worldwide purchase on 12 April 2008.  A limited vinyl-edition was released on the band's official webshop on 19 January 2011.

Signs (Five Man Electrical Band song): "Signs" is a song by the Canadian rock group Five Man Electrical Band.  It was written by Les Emmerson and popularized the relatively unknown band, who recorded it for their second album, "Good-byes and Butterflies", in 1970.  "Signs" was originally released that year as the B-side to the relatively unsuccessful single "Hello Melinda Goodbye" (#55 Canada).

Virgos Merlot: Virgos Merlot was an American hard rock band formed in 1998.  Prior to the formation of Virgos Merlot, many of the band members were in the group The Devine, which later disbanded.  After formation, their first album, "Signs of a Vacant Soul", was released in 1999.

Signs of Light: Signs of Light is the third studio album by American band The Head and the Heart, and first album released through Warner Bros.  Records.  It was officially released on September 9, 2016.  "All We Ever Knew" was released as the first single on June 3, 2016.

The Head and the Heart: The Head and the Heart is an American indie folk band.  They were formed in the summer of 2009 by Josiah Johnson (vocals, guitar, percussion) and Jonathan Russell (vocals, guitar, percussion).  The band also includes Charity Rose Thielen (violin, guitar, vocals), Chris Zasche (bass), Kenny Hensley (piano), and Tyler Williams (drums).  The band is signed to Warner Bros.  Records and have released three albums thus far.  Since March 2016, Johnson has been on hiatus due to drug addiction-related issues.  The band has toured in both North America and Europe.

Hum Tum (album): Hum Tum (Urdu: ہم تم, literal English translation: "you and me") was the fourth studio album of the Pakistani band Vital Signs released in January 1995.  This was the last studio album released by the band after which Junaid Jamshed, vocalist of the band, went on to pursue a career as a solo singer, Shehzad Hasan, bassist, concentrated on his work as a music producer and Rohail Hyatt, keyboards, formed a production company.

Vital Signs discography: Vital Signs was a Pakistani pop band formed in Rawalpindi in 1986 by keyboardist, Rohail Hyatt, and bassist, Shahzad Hasan, who were soon joined by guitarist, Nusrat Hussain and vocalist, Junaid Jamshed.  The band released four studio albums, as well as two compilations, ten singles, one video album, one remix album and several music videos.  Guitarist Nusrat Hussain left the band after the band's first single release and was replaced by Salman Ahmad.  They released their self-titled debut album in 1989; which had the single hit "Dil Dil Pakistan".  Salman was later replaced by lead guitarist Rizwan-ul-Haq who played on the second album "Vital Signs 2" released in 1991.  In 1993, Rizwan-ul-Haq left the band to join Awaz and replaced by Aamir Zaki.  Zaki played lead guitars on the third and fourth studio albums.

Transparent (New York rock band): Transparent is a rock band from upstate New York consisting of Matthew Sassano (vocals), Bradley Meise (guitars), Quintin Olix (guitars).  Transparent's song, "Bridges" is the main menu song on "" that was released on November 6, 2012.  The band released their first full-length album, "Light in Darkness", with 11 original songs on June 6, 2013.  They have opened for bands such as Project 86, Scarlet White and Cry to the Blind.  The band was formed in October 2010.  Their logo consists of a pink and purple ribcage, which is prevalently used on promotional materials and the album covers of the untitled 4 song demo (2011), 8 song "Light in Darkness EP" (2012) and the 11 song full-length album, "Light in Darkness" (2013).

Supporting paragraphs: Signs of Light The Head and the Heart
Answer: 2009