Question: Happy Birthday is a mixtape  that features a rapper who earned what in 2010?

full_context: Document 1: Detroit (mixtape): Detroit is the fourth mixtape by American rapper Big Sean. It was released for free download on September 5, 2012, by G.O.O.D. Music. "Detroit" features guest appearances from these fellow rappers such as J. Cole, Juicy J, King Chip, French Montana, Royce da 5'9", Kendrick Lamar and Tyga - along with track narrations by Common, Young Jeezy and Snoop Lion. Wale and Wiz Khalifa are also featured in the bonus tracks. American singers includes Chris Brown, Jhené Aiko, James Fauntleroy and Mike Posner. Production derives from Hit-Boy, Da Internz, 808 Mafia's own producers Lex Luger and Southside and KeY Wane, among others. The mixtape primarily consisted of these completed original songs.
Document 2: Drake (musician): Aubrey Drake Graham (born October 24, 1986) is a Canadian rapper, singer, songwriter, record producer, actor, and entrepreneur. Drake initially gained recognition as an actor on the teen drama television series "" in the early 2000s. Intent on pursuing a career as a rapper, he departed the series in 2007 following the release of his debut mixtape, "Room for Improvement". He released two further independent projects, "Comeback Season" and "So Far Gone", before signing to Lil Wayne's Young Money Entertainment in June 2009.
Document 3: Lil Wayne: Dwayne Michael Carter, Jr. (born September 27, 1982), known professionally as Lil Wayne, is an American hip hop recording artist. In 1991, at the age of nine, Lil Wayne joined Cash Money Records as the youngest member of the label, and half of the duo The B.G.'z, alongside fellow New Orleans-based rapper Lil' Doogie. In 1996, Lil Wayne joined the southern hip hop group Hot Boys, with his Cash Money label-mates Juvenile, Young Turk and Lil' Doogie (who now goes by B.G.). Hot Boys debuted with "Get It How U Live!", that same year. Most of the group's success came with their platinum-selling album "Guerrilla Warfare" (1999) and the 1999 single "Bling Bling". Along with being the flagship artist of Cash Money Records, Lil Wayne is also the Chief Executive Officer (CEO) of his own label imprint, Young Money Entertainment, which he founded in 2005.
Document 4: Finally Famous Vol. 3: Big: Finally Famous Vol. 3: Big is the third mixtape by American rapper Big Sean. It was released as a free online download on August 31, 2010, by Kanye West's label GOOD Music. The production was handled from Sean himself, alongside his boss and label-mate Kanye West, Clinton Sparks and No I.D.; as well as the guest appearances from Bun B, Big K.R.I.T., YG, Drake, Asher Roth, Mike Posner, Tyga and Currensy, among others.
Document 5: Crank That (Soulja Boy): "Crank That (Soulja Boy)" is the debut single by American rapper Soulja Boy Tell'em. It served as the lead single from his debut studio album, "souljaboytellem.com" (2007) and accompanies the Soulja Boy dance. The song is recognized by its looping steelpan riff. It caused what has been called "the biggest dance fad since the [mid-1990s] Macarena", with an instructional YouTube video for the dance surpassing 27 million views by early 2008.
Document 6: Hot Nigga: "Hot Nigga" (sometimes stylized as "Hot N*gga", edited for radio as "Hot Boy") is the debut single by American hip hop recording artist Bobby Shmurda. "Hot Nigga" was released for digital download on July 25, 2014 by Epic Records and GS9. The song includes production from Jahlil Beats, which was originally used by Lloyd Banks for his 2012 song, "Jackpot". The music video contains a choreography that was later named the "Shmoney dance". The song and the video became popular in 2014 among Vine users, which led to the "Shmoney dance" phenomenon. Additionally, several unofficial remixes by various rappers have been made. The song has peaked at number six on the US "Billboard" Hot 100 chart, becoming the artist's first and only top 10 single in the United States. "Hot Nigga" was a commercial success, being certified Platinum in the United States.
Document 7: In Death Reborn: On February 11, 2014, it was confirmed that the album's production team consisted of producers include Stu Bangas, C-Lance, Leaf Dog, Panik and including Army of the Pharaohs' own Apathy amongst others, including new faces that hadn't been producing for the group beforehand. In promotion for "In Death Reborn", Vinnie Paz released "The Flawless Victory" mixtape on March 2, 2014. Reef the Lost Cauze released a collaboration album titled "Fast Way" alongside producer Emyd on March 9, 2014. Member Doap Nixon only appeared on the song "7th Ghost" but spoke out saying, how he was only featured on one song because he had a lot of personal stuff going on and stated that there will be more of him on the LP that is due to drop in November. King Syze released his fourth studio album one month before the album release on March 25 titled "Union Terminology". Apathy pushed back the release date of "Connecticut Casual" from April to June in favour of "In Death Reborn". A week before the release of "In Death Reborn", Zilla announced he was working on his fourth studio album titled "Martyr Musick" set to be released sometime June 2014. The group released their second album of the year "Heavy Lies the Crown" on 21 October 2014. Six months after In Death Reborn.
Document 8: Soulja Boy: DeAndre Cortez Way (born July 28, 1990), known professionally as Soulja Boy Tell 'Em, or simply Soulja Boy, is an American rapper, record producer, actor and entrepreneur. In September 2007, his debut single "Crank That (Soulja Boy)" peaked at number one on the U.S. "Billboard" Hot 100. The single was initially self-published to the internet, and later became a number-one hit in the United States for seven non-consecutive weeks starting in September 2007. On August 17, Way was listed at number 18 on the "Forbes" list of Hip-Hop Cash Kings of 2010 for earning $7 million for that year.
Document 9: Birthday Cake (song): "Birthday Cake" is a song by Barbadian recording artist Rihanna, from her sixth studio album, "Talk That Talk" (2011). After it leaked onto the internet, fans expressed interest in the track being included on "Talk That Talk", but it was later revealed that the 1:18 (one minute, 18 seconds) length that leaked was in fact the final cut and was not being considered for inclusion on the album. Due to a high level of fan interest, the song was included on the album as an interlude. The full length version, also known as the official remix of the track, featuring Rihanna's ex-boyfriend Chris Brown, was premiered online on February 20, 2012, to coincide with Rihanna's 24th birthday. The song peaked in the top fifty.
Document 10: Happy Birthday (mixtape): Happy Birthday is the fourth mixtape released by British rapper Tinie Tempah. The mixtape was released for free download on December 16, 2011 on Disturbing London Records - featuring production from 3Mindz, S-X, Wizzy Wow and Stargate. The mixtape title is "Happy Birthday" because the mixtape came into production around Tempah's 23rd birthday (November 7). Tracks "Like It or Love It", "Lucky Cunt" and "Till I'm Gone (Remix)" were leaked prior to the mixtape release to create buzz, with "Like It or Love It" receiving minor radio airplay. "Happy Birthday" features British rappers Chipmunk, Giggs, Wretch 32, G-Frsh, Tinchy Stryder and Krept and Konan, including a variety of American rappers; Soulja Boy, J. Cole and Big Sean, along with Wiz Khalifa, Pusha T and Jim Jones on the "Till I'm Gone" remix (originally released on August 29, 2011). British vocalist J. Warner also makes a guest appearance.
Document 11: Rawwest Nigga Alive: Rawwest Nigga Alive (edited version titled Rawwest Alive) is a mixtape by American rapper Tyga. It was released on January 16, 2016, by his independently-owned record label Last Kings Records. The mixtape features guest appearances from Chris Brown, Nas, T.I. and Goapele. Preceding the mixtape's release were three singles: "Dope'd Up", "Happy Birthday", and "Baller Alert" featuring Rick Ross and 2 Chainz.
Document 12: Happy Birthday (Birthday Party song): "Happy Birthday" is a 1980 song and by The Boys Next Door. It was released as a single on 16 February 1980 on Missing Link. The song is not related to the popular birthday song "Happy Birthday to You". The first album it appeared on was "The Birthday Party". It was later included as track two on the 1992 compilation "Hits".
Document 13: YG (rapper): Keenon Daequan Ray Jackson (born March 9, 1990), better known by his stage name YG, is an American rapper and actor from Compton, California. In 2009, he released his debut single, "Toot It and Boot It" featuring Ty Dolla Sign, which peaked at number 67 on the "Billboard" Hot 100. The single's success resulted in him signing to Def Jam Recordings. In the following years, YG released mixtapes such as "The Real 4Fingaz, Just Re'd Up," "Just Re'd Up 2", "4 Hunnid Degreez," and many more.
Document 14: Dr. Dre: Andre Romelle Young (born February 18, 1965), better known by his stage name Dr. Dre, is an American rapper, record producer, and entrepreneur. He is the founder and current CEO of Aftermath Entertainment and Beats Electronics. Dre was previously the co-owner of, and an artist on, Death Row Records. He has produced albums for and overseen the careers of many rappers, including 2Pac, The D.O.C., Snoop Dogg, Eminem, Xzibit, Knoc-turn'al, 50 Cent, The Game and Kendrick Lamar. He is credited as a key figure in the popularization of West Coast G-funk, a style of rap music characterized as synthesizer-based with slow, heavy beats. As of 2017, he is the third richest figure in hip hop according to "Forbes" with a net worth of $740 million.
Document 15: Bad Season (mixtape): Bad Season is the debut mixtape by Tech N9ne released on December 23, 2010 for free digital download. The Mixtape was presented by XXL Magazine and it was hosted by DJ Whoo Kid & DJ Scream. It contains 14 all-new tracks submitted by DJ Whoo Kid for Tech N9ne to rap over without prior knowledge of who produced any of the beats. Also included are three tracks from previous Tech N9ne releases. Dr. Dre, The Haitian Super Heroes (DJ Whoo Kid & Red Spyda), Travis Barker & Cookin Soul were later revealed as producers for the mixtape. The mixtape features guest appearances from Krizz Kaliko, Kutt Calhoun, Jay Rock, Big Scoob, Oobergeek, Irv Da Phenom, Nesto and others. The track "Hard Liquor" was originally by The Game with production by Dr. Dre intended for his Doctors Advocate album, but was left off of the final track listing. After the track was submitted to Whoo Kid, he then submitted it to Travis Barker to remix the track, without Tech N9ne having knowledge of the remix.
ground_truth: $7 million