Question: Svefn-g-englar is a song from the album released on what date?

Context paragraphs:
Entre Nous (Rush song): "Entre Nous" ("Between Us" in French) is the fourth track on the 1980 album "Permanent Waves" by progressive rock band Rush.  It was also released as a single.  The only live performances of the song to date occurred during the 2007 leg of the tour to promote "Snakes & Arrows", an album released on May 1 of that year.  It was then featured on the live album released on April 15, 2008.

N·E·W·S (Prince album): N·E·W·S is the twenty-seventh studio album by American recording artist Prince.  It was released on May 26, 2003 by NPG Records.  The album is the second instrumental album released under Prince's own name, containing four tracks of 14 minutes duration each.  Recorded at Prince's Paisley Park Studios over a single day, the album was initially available through Prince's NPG Music Club website on May 26, 2003 before becoming widely commercially available on July 29.  The album can be seen as a modern incarnation of Madhouse, but this time as a Prince release.  Original Madhouse member Eric Leeds lends his talents, as well as The New Power Generation members John Blackwell, Rhonda Smith and Renato Neto.  The album is reportedly the lowest-selling Prince album released to date, with just 30,000 copies sold, but it did become a top ten hit on the "Billboard" Internet sales chart, and garnered a Grammy nomination for Best Pop Instrumental Album.

Viðrar vel til loftárása: "Viðrar vel til loftárása" (Icelandic for "Good Weather for Airstrikes"; pronounced ] ) is a song written and recorded by Icelandic post-rock band Sigur Rós for their second studio album "Ágætis byrjun".  The song appears as the seventh track on the album.  It was also released as the B-side of Sigur Rós' debut single "Svefn-g-englar".

Sexy Sweet Thing: Sexy Sweet Thing is a 2000 album released by the funk/R&B group Cameo.  This 13-track release was Cameo's first full album of new material since "In the Face of Funk" in 1994, and peaked at #64 on the Top R&B/Hip-Hop Albums charts.  To date, this has been the last album released by Cameo; the only releases since "Sexy Sweet Thing" have been re-releases and compilation albums.

Get Your Phil: Get Your Phil is the sixth studio album released by Disappear Fear.  This release marks the return of the harmonizing vocals of sisters: Sonia Rutstein (SONiA) and Cindy Frank (CiNDY); which have not been featured since the group's 1996 album, "Seed in the Sahara".  The album has been described as, "100% made in America, folk music."  All tracks are songs written by Phil Ochs, except for "Because the Night" which was penned by Patti Smith and Bruce Springsteen.  The album was released on July 4, 2011.  Cindy said of the release date, "We think a new anti-war album released on Independence Day is a great idea and we hope that Phil would be proud."  The majority of the instrumentation on the album is done by Sonia.  She plays the acoustic guitar, piano and harmonica.  The album was engineered and produced by Grammy nominee, John Jacob.

Ágætis byrjun: Ágætis byrjun (] , "A good beginning") is the second studio album by Icelandic post-rock band Sigur Rós, released on 12 June 1999.  The album was recorded between the summer of 1998 and the spring of 1999 with producer Ken Thomas. " Ágætis byrjun" represented a substantial departure from the band's previous album "Von", with that album's extended ambient soundscapes replaced by Jónsi Birgisson's now signature cello-bowed guitarwork and lush orchestration, using a double string octet amongst other orchestral elements.

Idol Is Dead: Idol is Dead (stylized IDOL is DEAD) is the second studio album released by Japanese idol group BiS on October 28, 2012.  It is their first original album released on a major label, as well as the first (and only) full album released with the "Quintet" lineup (Pour Lui, Nozomi Hirano, Yufu Terashima, Rio Michibayashi, and Yurika Wakisaka).  The album continues the style of BiS's previous releases, containing songs of different types of rock.  It also continues the tradition of their studio albums containing a cover, in this case Shinichi Osawa's "Our Song", arranged in a Shoegaze style.  The four tracks ("nerve", "My Ixxx", "primal."  and "IDOL") from their independent label days have been re-recorded.

Daddy's Little Girl (album): Daddy's Little Girl is the only album released by rapper, Nikki D.  It was released on September 3, 1991 through Def Jam Recordings and featured production from S.I.D., Prince Paul, Sam Server and The Bomb Squad's Eric Sadler.  The album reached No. 54 on the Top R&B/Hip-Hop Albums; the eponymous lead single reached No. 10 on the Hot Dance Singles Sales and No. 1 on the Hot Rap Singles.  The album is notable for being Def Jam's first rap album released by a female.  To date the album has sold 44,000 copies.

Svefn-g-englar: "Svefn-g-englar" ( ) is a song by the Icelandic post-rock band Sigur Rós, from their second album, "Ágætis byrjun".

Je n'ai que mon âme (album): Je n'ai que mon âme is a compilation album released only in Quebec by Canadian singer Natasha St-Pier.  The album was released due to the success of the song "Je n'ai que mon âme" in Canada, as its parent album "A chacun son histoire" had not been released in Canada.  Also an English version of "Je n'ai que mon âme" was included (it is called "All I Have Is My Soul").  The album contains one unheard song, "I'm in Love", which is an English version of "Tu m'envoles" and has never been released in France.  The release date of the album was 26 June 2001.  No singles were released from this album.

Supporting paragraphs: Svefn-g-englar Ágætis byrjun
Answer: 12 June 1999