question: Under what label was a compilation album featuring a American singer,songwriter,keyboardist and record producer created?
answer: Warner Bros.
context: Title: List of songs recorded by Pink Martini
  Passage: The American musical group Pink Martini, based in Portland, Oregon, has recorded songs for six studio albums, one compilation album, and one video album featuring live concert footage.  Formed by Thomas Lauderdale in 1994, the group that has been described as a "mini-orchestra" performs songs of many music genres in multiple languages by lead vocalist China Forbes.  Their debut album "Sympathique" was released through the group's own independent record label, Heinz Records, in 1997 – subsequent recordings were also released through Heinz.  The album includes three original tracks, "Sympathique", "La Soledad", and "Lullaby"; cover versions include Ernesto Lecuona's "Amado Mio", Maurice Ravel's "Boléro", "Brazil" (Ary Barroso), "Never on Sunday" (Manos Hatzidakis), and "Que Sera Sera" by Jay Livingston and Ray Evans.
  Title: The Hit Factory Volume 2
  Passage: The Hit Factory Volume 2 is a compilation album released in November 1988 by Fanfare Records and PWL Records.  It was an album featuring hits produced by British production trio Stock Aitken Waterman who were at their peak at the time of the album's release.  The first compilation "" was issued by Stylus in 1987.  The range of tracks included four special 12" remixes, exclusive to the set, and also a previously unavailable track by an American group called Sequal.  The album gained a platinum BPI Award and reached #16 in the UK Top 100 Album Chart.  When compilation albums were excluded from the main chart on January 14, 1989, the album crossed to the new chart for the remainder of its run.
  Title: Lil Wayne albums discography
  Passage: American rapper Lil Wayne has released eleven studio albums, one collaborative album, three compilation albums, one extended play, and twenty mixtapes. Wayne made his album debut in 1999, with "Tha Block Is Hot", which was certified platinum by the Recording Industry Association of America.  His later albums, "Lights Out" released in 2000, and "500 Degreez", released in 2002, attracted minor attention.  In 2004, he released the first of his infamous "Carter" series, with "Tha Carter".  In 2005, "Tha Carter II" was released.  In 2006, Wayne released a collaborative album with rapper Birdman, titled "Like Father, Like Son".  In 2008, Wayne released his best-selling album so far, titled "Tha Carter III".  Certified triple platinum by the RIAA, "Tha Carter III" won the Best Rap Album award at the 2009 Grammy Awards.  Lil Wayne founded record label Young Money Entertainment and released a collaborative album featuring rappers signed to the label, "We Are Young Money", in 2009, followed by his debut rock music album "Rebirth" in 2010.  While serving an 8-month prison sentence in New York he released another album entitled "I Am Not a Human Being", in September 2010.  The latest addition to "Tha Carter" series, "Tha Carter IV", was released on August 29, 2011.  In 2013, Wayne released a sequel to his 2010 album "I Am Not a Human Being", titled "I Am Not a Human Being II", followed by two compilation albums with his labels, "Rich Gang (2013)", and " (2014)".
  Title: Sweet Freedom (Michael McDonald album)
  Passage: Sweet Freedom (also known as Sweet Freedom – The Best of Michael McDonald in some countries) is a compilation album by American singer and songwriter Michael McDonald, released in 1986 on the Warner Bros. label.  It reached #6 in the UK Albums Chart.
  Title: Elvis: A Legendary Performer Volume 3
  Passage: Elvis: A Legendary Performer Volume 3 is a compilation album featuring recordings by American singer Elvis Presley.  It was the third in a series of albums that began with "" in 1974, the first to be released since Presley's death in 1977, and the last edition until "" in 1983.  As per the format of the series, the album was a mixture of previously released recordings and tracks that, as of the date of this album's release, had never been issued on an official RCA album release.  It was certified Gold on 12/18/1978 by the RIAA.
  Title: Timespace: The Best of Stevie Nicks
  Passage: Timespace – The Best of Stevie Nicks is a 1991 compilation album featuring songs from the solo career of American singer/songwriter and Fleetwood Mac vocalist Stevie Nicks.  The album features many of her hit singles, along with three new songs: "Sometimes It's a Bitch", "Love's a Hard Game to Play", and "Desert Angel" (which Nicks wrote for the men and women serving in the 1991 Gulf War).  The CD booklet contains notes written by Nicks herself about the making of each song.
  Title: Michael McDonald (musician)
  Passage: Michael McDonald (born February 12, 1952) is an American singer, songwriter, keyboardist and record producer.
citations: Michael McDonald (musician) Sweet Freedom (Michael McDonald album)