Tyrone William Griffin Jr. aka Ty Dolla Sign (stylized as Ty Dolla $ign or Ty$), is an American singer, songwriter, and record producer. He first gained major recognition in 2010 for his guest feature on YG's "Toot It and Boot It", which he had written and produced for Def Jam Recordings. In the summer of 2013, he signed a record deal with Wiz Khalifa's Taylor Gang Records. In November 2015, he released his debut studio album, Free TC, which peaked at number 14 on the Billboard 200.

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Ty Dolla Sign is known for his songs "Paranoid", "Or Nah", and "Blasé", as well as his writing contributions to "Loyal", "Post to Be", "FourFiveSeconds", and "Psycho", which was his first track to hit number one on the Billboard Hot 100. Aside from his solo music career, Ty Dolla Sign is also a member of production team D.R.U.G.S., alongside Chordz 3D, Buddah Shampoo, Nate 3D, James Koo, Fuego, and DJ Dahi.

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Ty Dolla Sign is the son of musician Tyrone Griffin, a member of the band Lakeside. Ty Dolla Sign began his music career by learning how to play the bass guitar and later learned how to play drums, guitars, keyboards, and the MPC. Ty Dolla Sign and his partner Kory were signed a record deal with Venus Brown and Buddah Brown Entertainment, subsequently releasing a mixtape, titled Raw & Bangin Mixtape Vol 2. The duo also made guest appearances on studio albums by other artists such as Sa-Ra Creative Partners and Black Milk. They also sang on songs such as "U", which was featured on the latter 2007's recording Popular Demand. Eventually, however, the partners had a falling out related to these ventures.

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In 2012, Ty Dolla Sign signed a recording contract with Atlantic Records. After signing with Atlantic Records, he released his first solo mixtape, titled Beach House, on October 1, 2012. He followed with the mixtape's sequel, Beach House 2, on July 1, 2013. Beach House 2 features guest appearances from Too $hort, Wiz Khalifa, Juicy J and Kirko Bangz, among others. The following day, it was revealed that Ty Dolla Sign signed a deal with Wiz Khalifa's Taylor Gang Records. In mid-2013, he toured with Khalifa and A$AP Rocky, among others, on the "Under the Influence of Music 2" concert tour. Source