Question: What album by American musician Prince was the first to feature his band The Revolution and had the contoversial song Darling Nikki which eventually led to the use of "Parental Advisory" stickers and imprints on album covers? 

Context articles: Now What (Lisa Marie Presley album)
Congress Shall Make No Law...
Just Say Anything
Parents Music Resource Center
Purple Rain (album)
Splinter (The Offspring album)
Go (Mario album)
Purple Medley
Darling Nikki
Order in the Court

Now What is the second studio album from American singer-songwriter Lisa Marie Presley.
 It was released on April 5, 2005 in the United States and Canada, and was the last album for Capitol Records.
 The album is available in both unedited and edited versions.
 Singles from the album are "Dirty Laundry" and "Idiot".
 This is Lisa Marie Presley's first album to be issued with a parental advisory warning.
 Her debut album did not include a Parental Advisory warning in all territories.
 Like most albums that contain a parental advisory warning, a clean version of the album was also made available.
Congress Shall Make No Law... is an album by Frank Zappa, released posthumously in 2010 by the Zappa Family Trust on Zappa Records.
 It contains a full recording of Zappa's September 19, 1985, testimony before the United States Senate Committee on Commerce, Science and Transportation, during which he spoke in support of the recording industry and against censorship.
 In his testimony, Zappa criticized the Parents Music Resource Center, formed in 1985 with the stated goal of increasing parental control over the access of children to recordings deemed to have violent, drug-related or sexual themes by labeling them with Parental Advisory stickers.
 The album's release commemorates the 25th anniversary of the hearings.
Just Say Anything was Sire Records' Volume 5 of "Just Say Yes" and was originally released on July 23, 1991 as a CD sampler.
 It contained remixes and non-album tracks of artists on the label, most of which were considered new wave or modern rock (all would eventually fall under the genre alternative rock).
 This album carried the Parental Advisory labeling--this was noted in the album's opening track, "Warning Parental Advisory".
The Parents Music Resource Center (PMRC) was an American committee formed in 1985 with the stated goal of increasing parental control over the access of children to music deemed to have violent, drug-related or sexual themes via labeling albums with Parental Advisory stickers.
 The committee was founded by four women: Tipper Gore, wife of Senator and later Vice President Al Gore; Susan Baker, wife of Treasury Secretary James Baker; Pam Howar, wife of Washington realtor Raymond Howar; and Sally Nevius, wife of former Washington City Council Chairman John Nevius.
 They were known as the "Washington Wives" – a reference to their husbands' connections with government in the Washington, D.C. area.
 The PMRC eventually grew to include 22 participants before shutting down in the mid-to-late 90's.
Purple Rain is the sixth studio album by American recording artist Prince, the first to feature his band The Revolution, and is the soundtrack to the 1984 film of the same name.
 It was released on June 25, 1984 by Warner Bros.
 Records.
 To date, it has sold over 25 million copies worldwide, making it the third-best-selling soundtrack album of all time.
Splinter is the seventh studio album by American punk rock band The Offspring, released on December 9, 2003.
 It was the first album the band released without drummer Ron Welty and also the first to have a Parental Advisory label on some album covers, even though all of their previous albums contain profanity.
Go is the third studio album by American recording artist Mario, released by J Records on December 11, 2007.
 It is Mario's first album to receive a parental advisory sticker in the United States, and his second to receive a parental advisory sticker in the UK.
"Purple Medley" is a song by American musician Prince from 1995.
 There is no album accompanying the single.
 The track is a mix of many hits and well-known songs from Prince's career.
 Some of the pieces of music are samples, while others are re-recorded for the mix.
 Some of the additional instrumentation is credited to The New Power Generation.
 The "Purple Medley" consists of snippets from the songs: "Batdance", "When Doves Cry", "Kiss", "Erotic City", "Darling Nikki", "1999", "Baby I'm a Star", "Diamonds and Pearls", "Purple Rain" and "Let's Go Crazy" and fades for the edit.
 The full version continues with "Sexy Dancer", "Let's Work", "Irresistible Bitch" (with the music of "Sexy MF"), "I Wanna Be Your Lover", "Alphabet St.", "Thieves in the Temple", the bassline to The Time's "777-9311", Sheila E.'s "A Love Bizarre", "If I Was Your Girlfriend", "Raspberry Beret", "Little Red Corvette", "Cream" and "Peach".
"Darling Nikki" is a song produced, arranged, composed and performed by American musician Prince and originally released on his Grammy Award-winning 1984 album, "Purple Rain".
 Though the song was not released as a single, it gained wide notoriety for its sexual lyrics and in particular a reference to masturbation.
 Partly because of the lyrical content of "Darling Nikki", Tipper Gore founded the Parents Music Resource Center, which eventually led to the use of "Parental Advisory" stickers and imprints on album covers.
 Compared with the slick production of the other songs on the album, "Darling Nikki" was deliberately engineered to have a raw, live feel.
Order in the Court is the fourth studio album by American rapper and actress Queen Latifah, released on June 16, 1998 in the United States on Motown Records.
 The album is in part dedicated to The Notorious B.I.G. and Tupac Shakur.
 This is Latifah's first album to have a Parental Advisory warning on it, although it did not receive a Parental Advisory warning in Japan.