Def Jam Recordings is an American record label focused predominantly on hip hop and urban music, owned by Universal Music Group (UMG).
 In the UK, the label takes on the name Def Jam UK and is operated through Virgin EMI Records, while in Japan, it is known as Def Jam Japan, operating through Universal Music Japan.
 The label distributes releases of various record labels, including Kanye West's GOOD Music, Ludacris' Disturbing Tha Peace, and ARTium Recordings, headed by Def Jam's current executive vice president, No I.D..
 Current artists include Iggy Azalea, Logic, Big Sean, Kanye West, Leona Lewis, 2 Chainz, Axwell Λ Ingrosso, Mother Mother, Afrojack, Jeezy, Jeremih, Ludacris, Alesso, Pusha T, Vince Staples, Desiigner and Jhené Aiko among others.
The Blueprint is the sixth studio album by American rapper Jay-Z, released on September 11, 2001, by Roc-A-Fella Records and Def Jam Recordings.
 Its release was set a week earlier than initially planned in order to combat bootlegging.
 Recording sessions for the album took place during 2001 at Manhattan Center Studios and Baseline Studios in New York City.
 Contrasting the radio-friendly sound of Jay-Z's previous work, "The Blueprint" features soul-based sampling and production handled primarily by Kanye West, Just Blaze and Bink, as well as Timbaland, Trackmasters and Eminem, who also contributes the album's sole guest verse.
Hip Hop Since 1978 (HHS78) was a management and production company based in New York City.
 It was started by Gee Roberson and Kyambo "Hip-Hop" Joshua.
 HHS78 has been involved in the daily operations of Roc-A-Fella Records since the label's inception in the early '90s.
 HHS78 originally signed Kanye West to their production and management company in 1998, and negotiated his signing to Roc-A-Fella Records.
 Hip Hop Since 1978's first official project was West's 2004 album, "The College Dropout".
 In January 2007, they partnered with Bryant Entertainment.
 As a result, they managed the careers of Lil Wayne, Drake and Nicki Minaj (who were signed to Young Money/Cash Money Records).
 In January 2009, Kyambo Joshua and Columbia Records parted ways.
 Most recently, HHS78 has signed Young Jeezy onto their management firm.
 As of 2014, the agency no longer exists.
 That same year, Kyambo Joshua joined the A&R department at Def Jam Recordings (along with record producer No I.D.), while Gee Roberson has launched two of his own management agencies, The Blueprint Group and Maverick Management.
Magna Carta Holy Grail (alternatively written and stylized as Magna Carta... Holy Grail) is the twelfth studio album by American rapper Jay-Z.
 It was made available for free digital download for Samsung customers via the Jay-Z Magna Carta app on July 4, 2013.
 It was released for retail sale on July 8, 2013, by Roc-A-Fella, Def Jam and Roc Nation.
 The album features guest appearances by Justin Timberlake, Nas, Rick Ross, Frank Ocean and Beyoncé.
 Most of the album was produced by Timbaland and Jerome "J-Roc" Harmon, while other producers included Boi-1da, Mike Will Made It, Hit-Boy, Mike Dean, No I.D., The-Dream, Swizz Beatz, and Pharrell Williams among others.
 The album was promoted through various commercials presented by Samsung and was not preceded by any retail singles.
American singer Frank Ocean has released two studio albums, one collaboration album, one mixtape, twelve singles and eight music videos. Following the flooding and destruction of his recording studio during Hurricane Katrina in 2005, Ocean moved from his hometown of New Orleans to the Californian city of Los Angeles, where he sought to continue his musical career, eventually landing himself a songwriting contract.
 In 2009, Ocean signed to Def Jam Recordings as a solo artist.
 Ocean also formed a friendship with rapper Tyler, The Creator, leader of the Los Angeles-based hip hop collective Odd Future (OFWGKTA) and subsequently became a member of Odd Future, as well as making three guest appearances on the album "Goblin", including the single "She".
 In February 2011, he released his first major project, his first mixtape "Nostalgia, Ultra", which produced two singles: "Novacane" and "Swim Good".
 "Novacane" became his first single to chart on the US "Billboard" Hot 100, where it peaked at number 82.
 Ocean also made two guest appearances on the Kanye West and Jay Z collaborative album "Watch the Throne", including the single "No Church in the Wild", which peaked at number 72 on the "Billboard" Hot 100.
 Ocean has also written songs for several artists, such as Damienn Jones ("Cinderella" and "Summertime"), Brandy Norwood ("1st & Love" and "Scared of Beautiful"), John Legend ("Quickly"), Beyoncé ("I Miss You"), Bridget Kelly ("Thinking About Forever"), and Justin Bieber ("Bigger").
Unfinished Business is the second collaboration album between R&B artist R. Kelly and rapper Jay-Z and was released worldwide on October 26, 2004.
 It was distributed in the United States and Canada by Jive Records and Island Def Jam Music Group, by the Bertelsmann Music Group (BMG) and its subsidiary Jive Records, except in Canada and the United States of America where Island Def Jam Music Group and its labels Def Jam Recordings and Roc-A-Fella Records replaced BMG.
 The album was composed of unreleased tracks from the recording sessions of 2002's "The Best of Both Worlds", although slight additions were made.
The Dynasty: Roc La Familia is the fifth studio album by American hip-hop artist Jay-Z, featuring prominent appearances from signees of Roc-A-Fella Records.
 It was released on October 31, 2000, by Roc-A-Fella Records and Def Jam Recordings.
 Its lead single, "I Just Wanna Love U (Give It 2 Me)", produced by The Neptunes, was one of Jay-Z's most successful singles peaking at number 11 on the "Billboard" Hot 100.
 The album debuted at #1 on the "Billboard" 200 with 557,789 copies sold in its first week and more than 2.3 million copies sold to date.
 The album generally received positive reviews from music critics and the album ended up becoming the 20th highest selling R&B/Hip-Hop Album of the 2000–2010 decade according to "Billboard".
Come Home with Me is the 3rd studio album by Harlem rapper Cam'ron, it is also his debut on Roc-A-Fella Records.
 The album was released on May 14, 2002, by Roc-A-Fella Records, Diplomat Records and Def Jam Recordings.
 It served as an introduction of the Cam'ron-fronted rap group, The Diplomats, to the general public.
 There are featured guest appearances from The Diplomats, DJ Kay Slay, Daz Dillinger, Tiffany, Jay-Z, McGruff, Memphis Bleek, and Beanie Sigel.
 To date it is his most commercially successful album, it peaked at #2 on the "Billboard" 200 with first-week sales of 226,000 copies and eventually sold over 1 million copies in the United States of America, being certified Platinum by the RIAA.
S. Carter Records was a record label formed by Jay-Z.
 The label included Foxy Brown.
 The label was formed after The Island Def Jam Music Group, holding a 50% stake in the Roc-A-Fella Records, bought the last 50% of the company.
 They also appointed Jay-Z, the president of Def Jam Recordings, soon after Damon Dash and Kareem "Biggs" Burke were released as the co-founders of Roc-A-Fella Records.
 Dash and Burke have started up Dame Dash Music Group since, which was also distributed by Island Def Jam.
 In 2009, S. Carter Records dissolved and went out of business after Jay-Z created Roc Nation in 2008, which was actually a 10-year contract agreement between him and concert promotion company Live Nation.
 Despite the closure, the name still bears copyright on later Jay-Z releases, albeit as "S. Carter Enterprises".
Watch the Throne is a collaborative studio album by American rappers Jay-Z and Kanye West, released on August 8, 2011, by Roc-A-Fella Records, Roc Nation, and Def Jam Recordings.
 Before the album, Jay-Z and West had collaborated on their respective singles and with West as a producer on Jay-Z's work.
 As longtime friends, they originally sought out to record a five-song EP together, but the project eventually evolved into a full-length album.
 Recording sessions took place at various locations and began in November 2010.
 Production on the album was led by West himself, alongside a variety of high-profile record producers including Mike Dean, Swizz Beatz, Sak Pase, Jeff Bhasker, The Neptunes and Q-Tip.

Question: Which collaborative studio album by American rappers Jay-Z and Kanye West by Roc-A-Fella Records, Roc Nation, and Def Jam Recordings did Frank Ocean make guest appearances?
Answer: Watch the Throne