Question: Which American rapper produced an album containing a song that was nominated for a Grammy Award?
Context: "California Love" is a hip hop song by 2Pac featuring Dr. Dre and Roger Troutman.  The song was released as 2Pac's comeback single after his release from prison in 1995 and was his first single as a Death Row Records artist.  This is 2Pac's best-known song and his most successful, reaching number one on the "Billboard" Hot 100 for two weeks (as a double A-side single with "How Do U Want It") and 5 weeks at number one in New Zealand.  The song was nominated for a posthumous Grammy Award as a Best Rap Solo Performance and Best Rap Performance by a Duo or Group (with Dr. Dre and Roger Troutman) in 1997. All Eyez on Me is the fourth studio album by American rapper 2Pac and the last one to be released during his lifetime.  It was released on February 13, 1996, by Death Row Records and Interscope Records.  The album featured the "Billboard" Hot 100 #1 singles "How Do U Want It" and "California Love".  It featured five singles in all, the most of any of Shakur's albums.  Moreover, "All Eyez on Me" (which was the only Death Row Records release to be distributed through PolyGram by way of Island Records) made history as the first double-full-length hip-hop solo studio album released for mass consumption.  It was issued on two compact discs and four LPs. Andrew Luis "Dru" Castro is a Grammy Award-winning recording engineer, producer and songwriter in Atlanta, Georgia.  He has produced or engineered songs for artists such as Ciara, Keyshia Cole, Usher, R. Kelly, T-Pain, Trina, Jamie Foxx and India.Arie.  Recently, Castro produced and wrote songs with the Grammy award winning singer/songwriter India.Arie on her recently released album "".  Her 2006 album, "", for which Castro recorded and/or produced seven songs, debuted and peaked at number one on the "Billboard" 200 and the Top R&B/Hip-Hop Albums and was nominated for three Grammy Awards, including "Best R&B Album".  To date Castro has worked on 12 Grammy nominated projects (4 have won the award) See Below.  In 2010 Castro won a Grammy with India.Arie as a Producer/Engineer for Best Urban Alternative Performance on the song "Pearls". Benjamin Nicholas "Ben" Hunter Goldwasser (born December 17, 1982) is a songwriter and musician in the psychedelic rock band MGMT, for which he primarily plays keyboards and sings.  In 2009, his song "Electric Feel" (co-written with bandmate Andrew VanWyngarden), remixed by Justice, won a Grammy Award in the Grammy Award for Best Remixed Recording, Non-Classical category.  In 2010, his band was nominated for a Grammy as Best New Artist and Grammy Award for Best Pop Performance by a Duo or Group with Vocals. "Echa Pa'lla (Manos Pa'rriba)" {Echa Para Allá (Manos Para Arriba)} (English version known as "Go Away (Hands Up)") is a Latin Grammy award winning song recorded by American rapper Pitbull for his seventh studio album "Global Warming".  The song features guest vocals from Papayo.  It was released on Jul 16, 2012.  It was produced by Gregor Salto, Todorov and Urales "DJ Buddha" Vargas.  The song has achieved moderate chart success and has found its way in "Billboard Top Latin Songs".  It also peaked number 5 on the Billboard Tropical Songs Chart.  It was also the official Miss Teen USA 2012 theme song.  "Echa Pa'lla" won the Latin Grammy Award for Best Urban Performance.  At the 2014 Lo Nuestro Awards, it won the award for Urban Song of the Year at the 26th Lo Nuestro Awards. The Latin Grammy Award for Best Tropical Fusion Album is an award presented at the Latin Grammy Awards beginning in 2012, a ceremony that recognizes excellence and creates a wider awareness of cultural diversity and contributions of Latin recording artists in the United States and internationally.  The award went to solo artists, duos, or groups for releasing vocal or instrumental albums containing at least 51% of new recordings.  The award first presented to Colombian singer Fonseca for the album Ilusión+ at the 13th Latin Grammy Awards ceremony in 2012.  In 2014, the accolade was combined with Latin Grammy Award for Best Contemporary Tropical Album. Robert Glasper (born April 6, 1978, in Houston, Texas) is an American pianist and record producer.  He has been nominated for 6 Grammys, has won 3 Grammy Awards and is currently nominated for an Emmy Award.  His 2012 album "Black Radio" won the Grammy Award for Best R&B Album at the 55th Grammy Awards.  His 2014 album "Black Radio 2" won the Grammy Award for Best Traditional R&B Performance at the 56th Grammy Awards.  The song "These Walls" from Kendrick Lamar's album "To Pimp A Butterfly" won Best Rap/Sung Collaboration at the 57th Grammy Awards, on which Glasper plays keys.  The soundtrack for the film "Miles Ahead" won Best Soundtrack Compilation at the 58th Grammy Awards, for which Glasper was a producer.  The song "Letter To The Free", written with Common, is nominated for an Emmy Award for Best Original Song in the Ava Duvernay documentary film "13th" (Netflix) at the 2017 Emmys. "Chasing Pavements" is a song by British singer Adele, from her debut album "19".  It was the second single from the album, after "Hometown Glory".  It was released digitally in Ireland on 13 January 2008 and entered the Irish singles chart at number 26 through download sales alone.  Having received a physical release, the single then leaped 19 places to number seven, where it peaked.  On 20 January, the single entered at number two in the UK singles chart on downloads alone.  "Chasing Pavements" was the 27th best selling single of 2008 in the UK, with over 280,000 sales.  It was Adele's first "Billboard" Hot 100 entry, and has sold over 1,200,000 digital copies as of October 2011.  The B-side to the single is an acoustic cover of the Sam Cooke song "That's It, I Quit, I'm Movin' On".  "Chasing Pavements" won the Grammy Award for Best Female Pop Vocal Performance, and was nominated for the Grammy Award for Record of the Year and Grammy Award for Song of the Year. "All Around the World" is a song by English singer-songwriter Lisa Stansfield from her debut solo album "Affection" (1989).  It was written by Stansfield, Ian Devaney and Andy Morris, and produced by Devaney and Morris.  The song received favorable reviews from music critics.  Songwriters, Stansfield, Devaney and Morris, received the 1989 Ivor Novello Award for Best Song Musically and Lyrically.  "All Around the World" was also nominated for the Grammy Award for Best Female Pop Vocal Performance at the 33rd Annual Grammy Awards.  Additionally, Stansfield was nominated for the Grammy Award for Best New Artist. Mexico Airplay is a record chart published weekly by "Billboard" magazine for singles receiving airplay in Mexico.  According to "Billboard"' s electronic database, the first chart was published on October 1, 2011 with "Give Me Everything" by Cuban-American rapper Pitbull featuring Ne-Yo, Afrojack and Nayer, at number-one.  The track also peaked at the top of the American "Billboard" Hot 100.  The same year, American performers Maroon 5 featuring Christina Aguilera also peaked at number-one in Mexico and in the United States with "Moves like Jagger".  In 2012, Mexican band Jesse & Joy peaked at number one on this chart and the Mexican Espanol Airplay with the song "¡Corre! " that also won the Latin Grammy Awards for Record of the Year and Song of the Year in 2012.  Two songs performed by Barbadian singer Rihanna reached number-one, "We Found Love" and "Where Have You Been", the former also was a number-one song in the "Billboard" Hot 100 and its music video won the MTV Video Music Award for Video of the Year, while the latter was nominated for a Grammy Award for Best Pop Solo Performance. " Bailando" by Spanish singer-songwriter Enrique Iglesias reached number-one on the Mexico Airplay, Mexican Espanol Airplay, and the "Billboard" Latin Songs chart in the United States, where it spent 41 consecutive weeks at the top and won the Latin Grammy Award for Song of the Year.  In 2015, "Lean On" by American electronic duo Major Lazer and DJ Snake featuring MØ peaked at number-one on the chart and was named by Spotify as the most streamed song of all time, with 526 million streams globally.  By 2016, Scottish DJ Calvin Harris is the act with the most number-one singles on the Mexico Airplay chart, with six chart toppers.
Answer: 2Pac