IN: Philip Glass (born January 31, 1937) is an American composer. He is widely regarded as one of the most influential musicians of the late 20th century. Glass's work has been described as minimal music, having similar qualities to other "minimalist" composers such as La Monte Young, Steve Reich, and Terry Riley. However, Glass has instead described himself as a composer of "music with repetitive structures", which he has helped evolve stylistically.

In the late 1990s and early 2000s, Glass's lyrical and romantic styles peaked with a variety of projects: operas, theatre and film scores (Martin Scorsese's Kundun, 1997, Godfrey Reggio's Naqoyqatsi, 2002, and Stephen Daldry's The Hours, 2002), a series of five concerts, and three symphonies centered on orchestra-singer and orchestra-chorus interplay. Two symphonies, Symphony No. 5 "Choral" (1999) and Symphony No. 7 "Toltec" (2004), and the song cycle Songs of Milarepa (1997) have a meditative theme. The operatic Symphony No. 6 Plutonian Ode (2002) for soprano and orchestra was commissioned by the Brucknerhaus, Linz, and Carnegie Hall in celebration of Glass's sixty-fifth birthday, and developed from Glass's collaboration with Allen Ginsberg (poet, piano - Ginsberg, Glass), based on his poem of the same name.  Besides writing for the concert hall, Glass continued his ongoing operatic series with adaptions from literary texts: The Marriages of Zones 3, 4 and 5 ([1997] story-libretto by Doris Lessing), In the Penal Colony (2000, after the story by Franz Kafka), and the chamber opera The Sound of a Voice (2003, with David Henry Hwang), which features the Pipa, performed by Wu Man at its premiere. Glass also collaborated again with the co-author of Einstein on the Beach, Robert Wilson, on Monsters of Grace (1998), and created a biographic opera on the life of astronomer Galileo Galilei (2001).  In the early 2000s, Glass started a series of five concerti with the Tirol Concerto for Piano and Orchestra (2000, premiered by Dennis Russell Davies as conductor and soloist), and the Concerto Fantasy for Two Timpanists and Orchestra (2000, for the timpanist Jonathan Haas). The Concerto for Cello and Orchestra (2001) had its premiere performance in Beijing, featuring cellist Julian Lloyd Webber; it was composed in celebration of his fiftieth birthday. These concertos were followed by the concise and rigorously neo-baroque Concerto for Harpsichord and Orchestra (2002), demonstrating in its transparent, chamber orchestral textures Glass's classical technique, evocative in the "improvisatory chords" of its beginning a toccata of Froberger or Frescobaldi, and 18th century music. Two years later, the concerti series continued with Piano Concerto No. 2: After Lewis and Clark (2004), composed for the pianist Paul Barnes. The concerto celebrates the pioneers' trek across North America, and the second movement features a duet for piano and Native American flute. With the chamber opera The Sound of a Voice, Glass's Piano Concerto No. 2 might be regarded as bridging his traditional compositions and his more popular excursions to World Music, also found in Orion (also composed in 2004).
QUESTION: Who else did he colaborate with?
IN: Linkin Park is an American rock band from Agoura Hills, California. Formed in 1996, the band rose to international fame with their debut album Hybrid Theory (2000), which was certified Diamond by the RIAA in 2005 and multi-Platinum in several other countries. Their following studio album Meteora continued the band's success, topping the Billboard 200 album chart in 2003, and was followed by extensive touring and charity work. Having adapted nu metal and rap metal to a radio-friendly yet densely layered style in Hybrid Theory and Meteora, the band explored other genres on their next studio album, Minutes to Midnight (2007).

In an interview with Fuse, Shinoda confirmed that Linkin Park had begun recording their sixth studio album in May 2013. The band released the first single from their upcoming album, titled, "Guilty All the Same" on March 6, 2014 through Shazam. The single was later released on the following day by Warner Bros. Records and debut at No. 28 on the US Billboard Rock Airplay charts before peaking at No. 1 on the Mainstream Rock charts in the following weeks. Shortly after the single's release, the band revealed their sixth album would be titled The Hunting Party. The album was produced by Shinoda and Delson, who wanted to explore musical elements from Hybrid Theory and the band's earlier material. Shinoda commented the album is a "90s style of rock record". He elaborated, "It's a rock record. It's loud and it's rock, but not in the sense of what you've heard before, which is more like '90s hardcore-punk-thrash.' The album includes musical contributions from rapper Rakim, Page Hamilton of Helmet, Tom Morello of Rage Against the Machine, and Daron Malakian of System of a Down. The Hunting Party was released on June 13, 2014, in most countries, and later released in the United States on June 17.  Linkin Park performed at Download Festival on June 14, 2014, where they played their debut album, Hybrid Theory, in its entirety. Linkin Park headlined Rock am Ring and Rock im Park in 2014, along with Metallica, Kings of Leon, and Iron Maiden. They also headlined with Iron Maiden again at the Greenfield Festival in July. On June 22, Linkin Park made an unscheduled headline appearance at the Vans Warped Tour, where they played with members of Issues, The Devil Wears Prada, A Day To Remember, Yellowcard, Breathe Carolina, Finch, and Machine Gun Kelly. In January 2015, the band embarked on a tour to promote the release of The Hunting Party, consisting of 17 concerts across the United States and Canada. The tour was canceled after only three concerts when Bennington injured his ankle. On May 9, Linkin Park performed at the first edition of Rock in Rio USA, in direct support for Metallica.  On November 9, 2014, MTV Europe named Linkin Park the "Best Rock" act of 2014 at their annual music awards ceremony. The band won the 'Best Rock Band' and 'Best Live Act' titles of 2014 on Loudwire's Music Awards. Revolver ranked The Hunting Party as the fourth best album of 2014. In an interview with AltWire on May 4, Shinoda reflected on The Hunting Party and commented on Linkin Park's future, stating; "I'm really happy with the reaction from The Hunting Party, and I think we're ready to move somewhere new on the next album, which will be coming [in 2016]".  Linkin Park collaborated with Steve Aoki on the song "Darker Than Blood" for Aoki's album Neon Future II, which was released in May 2015. The first preview of the song came during Aoki's performance on February 28, 2015 at the Aragon Ballroom in Chicago, Illinois. The song was debuted on Twitch.tv on April 13 and released on April 14.  Linkin Park performed at the closing ceremony of Blizzcon 2015, Blizzard's video game convention.
QUESTION:
How many tracks are on The Hunting Party?