Question: Lionhearted is a song released by what company in the United States?

Context paragraphs:
Women (Def Leppard song): "Women" is a song released by English hard rock band Def Leppard in 1987 from the album "Hysteria".  It was the first single release off the album in the United States.  The song was also released as a single in Canada, Australia, Japan, and was part of a double-A side single with "Animal" in Germany.  In most other parts of the world, "Animal" was the first single released from the album.

Holiday (Bee Gees song): "Holiday" is a song released by the Bee Gees.  It was not released as a single in their native United Kingdom as Polydor UK released the single "World" from their next album "Horizontal", but was released in the United States in September 1967.  It appeared on the album "Bee Gees' 1st".

Dime Piece: "Dime Piece" is a song released as a single by Bulgarian singer LiLana.  The song features American hip hop veteran Snoop Dogg and fellow Bulgarian rapper Big Sha.  The track is produced by Ariel Rodriguez and was released as a single on April 24, 2009 in Bulgaria, along with a music video.  The digital premiere of the song in the United States was made in June 2009 and the single's premiere worldwide (not including Bulgaria) was published on September 20, 2009.

Island of Dreams (song): "Island of Dreams" is a song released by The Springfields in 1962.  The song spent 26 weeks on the UK's "Record Retailer" chart, peaking at No. 5, while reaching No. 2 in Ireland, No. 2 in Israel, and No. 7 on New Zealand's "Lever Hit Parade".  The song was a regional hit in the United States, reaching No. 14 on WLS's "Silver Dollar Survey" in Chicago, but nationally the song only reached No. 129 on "Billboard"' s "Bubbling Under the Hot 100".

Worlds (album): Worlds is the debut studio album by the American electronic music producer Porter Robinson, released on August 12, 2014 by Astralwerks in the United States and by Virgin EMI Records internationally.  The album exhibits a shift in Robinson's music style from the heavy, bass-fueled complextro of his previous work to a more alternative form of electronic music.

Wait (The Whisper Song): "Wait (The Whisper Song)" is a 2005 snap song released by Atlanta crunk rap duo Ying Yang Twins off their album "U.S.A. (United State of Atlanta)".  The song consists of a minimal bass pulse, a few finger-snaps, and whispered, sexually explicit lyrics.  The song's unique sound was mixed by Atlanta sound engineer Joel Mullis, who is currently affiliated with the production company 340 Music.  "Wait" became a hit single, reaching No. 15 on the "Billboard" Hot 100.

Salt Shaker (song): "Salt Shaker" is a crunk music song released by rap group The Ying Yang Twins featuring Lil Jon and The East Side Boyz.  It was released on their third studio album, "Me & My Brother" (2003).  The song was released as the album's only single.  It reached the top 10 in the United States, reaching #9.

Donald Trump (song): "Donald Trump" is a song by American rapper/singer Mac Miller, and the only song released as an official single from his mixtape "Best Day Ever".  The melody, which is played throughout the song, is taken from "Vesuvius" by Sufjan Stevens.  The music video to the song was uploaded to YouTube on March 3, 2011, while the single was released digitally on May 17, 2011.  "Donald Trump" is also incorrectly included as a bonus track on the track list of some versions of Mac Miller's debut album "Blue Slide Park".  Miller himself confirmed that the song does not feature on the album.  The song was dedicated to the American business magnate Donald Trump, who, five years after the song's release, was elected as the 45th President of the United States.  During Trump's 2016 campaign, the song regained popularity, hitting #28 on the iTunes Charts on November 9, 2016, the day after he was elected president.  However Mac Miller has personally stated in an interview that he was not a supporter of Trump.

Return to Me (song): "Return to Me" is a song released in 1958 by Dean Martin.  The song spent 22 weeks on the United Kingdom's "New Musical Express" chart, peaking at No. 2, while reaching No. 1 in the Netherlands, No. 5 on Canada's CHUM Hit Parade, No. 7 in Flanders, and No. 8 on Norway's VG-lista.  In the United States, the song reached No. 4 on "Billboard"' s Top 100 Sides, No. 4 on "Billboard"' s chart of "Best Selling Pop Singles in Stores”, and No. 4 on "Billboard"' s chart of "Most Played by Jockeys".

Lionhearted: "Lionhearted" is a song recorded by American electronic music producer Porter Robinson.  It was released on June 7, 2014 as the third single from his debut studio album "Worlds" (2014).  Robinson wrote, produced, and performed the track.  The song is different than the other songs on the record, less emotional and more pop-inspired.  The song contains vocals from Swedish pop group Urban Cone.

Supporting paragraphs: Lionhearted Worlds (album)
Answer: Astralwerks