Question: Who was the Rapper from Michigan featured on the "I Changed a Lot "  studio album by DJ Khaled?
Context: "Hold You Down" is the second single by DJ Khaled, featuring Chris Brown, August Alsina, Future and Jeremih from Khaled's eighth studio album "I Changed a Lot".  The track topped the US Hot R&B/Hip-Hop Airplay chart and is August Alsina's first top 40 entry as well as DJ Khaled's seventh. "How Many Times" is the third single by DJ Khaled, featuring Chris Brown, Lil Wayne and Big Sean from Khaled's eighth studio album "I Changed a Lot".  It was released on May 12, 2015, as the third single from Khaled's eighth studio album, "I Changed a Lot" (2015). "On Everything" is a song by American musician DJ Khaled featuring American rappers Travis Scott, Rick Ross and Big Sean.  It appeared on Khaled's tenth studio album, "Grateful" (2017).  The song was written by DJ Khaled, Travis Scott, Rick Ross, Big Sean and Danja, the latter also co-produced it with Khaled.  The song contains a recurring sample of "Under the Sun" by Mark Pritchard. "For Free" is a single by American musician DJ Khaled, featuring Canadian rapper Drake, released on June 17, 2016, by We the Best Music Group and Epic Records as the lead single from DJ Khaled's ninth studio album, "Major Key".  The song was produced by Nineteen85, Jordan Ullman and co-produced by Frankie Cutlass.  The song was certified Platinum by the Recording Industry Association of America (RIAA) on September 15, 2016, for selling over 1,000,000 digital copies in the United States. We the Best is the second studio album by Miami-based DJ and fellow Terror Squad member DJ Khaled.  It was released on June 12, 2007, by Terror Squad Entertainment, distributed by Koch Records.  DJ Khaled alongside fellow rapper Fat Joe and Allah, collectively handled as the executive producers on this album.  The album was produced by Cool & Dre, Jim Jonsin, The Diaz Brothers and The Runners; as well as the guest appearances from Bone Thugs-n-Harmony, Trina, Paul Wall and Bun B, among others. I Changed a Lot is the eighth studio album by DJ Khaled.  It was released on October 23, 2015, by We the Best Music Group and RED Distribution.  Recording sessions took place during 2014 to 2015, with its production by Khaled, along with The Beat Bully, Lee on the Beats, Danja, Bkorn and The Mekanics, as well as guest appearances from Future, Rick Ross, Boosie Badazz, Jeezy, Chris Brown, August Alsina, Fetty Wap, Yo Gotti, Trick Daddy, French Montana, Meek Mill, Beanie Sigel, Jadakiss, Lil Wayne, Big Sean.  Trey Songz, Jeremih, Ace Hood, Vado, Jay-Z, Mavado, John Legend, Usher and Fabolous. "Take It to the Head" is a song by American hip hop producer DJ Khaled, released as the lead single from his sixth studio album, "Kiss the Ring".  The song features American singer Chris Brown, rappers Rick Ross, Lil Wayne and Trinidadian rapper Nicki Minaj.  The song was premiered via DJ Khaled's Twitter on March 26, 2012.  It was later released for digital download in the United States on April 3, 2012.  The single has sold over 500,000 copies and certified Gold by the RIAA. "Do You Mind" is a single by American musician DJ Khaled.  It was released on July 28, 2016 by We the Best Music Group and Epic Records as the fourth single of DJ Khaled's ninth studio album, "Major Key".  The song features guest appearances from Nicki Minaj, Chris Brown, Jeremih, Future, August Alsina and Rick Ross.  The song samples "Lovers and Friends" performed by Lil Jon & the East Side Boyz, featuring Usher and Ludacris, which also samples "Lovers and Friends" performed by Michael Sterling from his 1990 album "Trouble" and also samples "Money Ain't a Thang" performed by Jermaine Dupri, featuring Jay Z in Future's verse.  The song was certified Platinum by the Recording Industry Association of America (RIAA). Sean Michael Leonard Anderson (born March 25, 1988), known professionally as Big Sean, is an American rapper from Detroit, Michigan.  Sean signed with Kanye West's GOOD Music in 2007, Def Jam Recordings in 2008 and Roc Nation in 2014.  After releasing a number of mixtapes, Sean released his debut studio album, "Finally Famous", in 2011.  He released his second studio album, "Hall of Fame", in 2013.  Sean's third studio album, "Dark Sky Paradise", was released in 2015 and earned him his first number one album in the US.  In 2017, he released his fourth studio album, "I Decided", which debuted at number one on the US "Billboard" 200 chart. "Gold Slugs" is a song by DJ Khaled, featuring Chris Brown, August Alsina and Fetty Wap from Khaled's eighth studio album "I Changed a Lot".
Answer: Big Sean