What 2014 mixtape is by an individual who wrote for an artist signed to Warner Bros.?
Marc E. Bassy Marc Griffin, known professionally as Marc E. Bassy, is an American singer and songwriter from San Francisco. He is the former vocalist of the Los Angeles-based pop band 2AM Club. His solo works include his 2014 mixtape "Only the Poets", 2015 release "East Hollywood", and the 2016 EP "Groovy People", including the single "You & Me" featuring G-Eazy. Before putting out his own works, he was a songwriter, and wrote for artists such as CeeLo Green, Sean Kingston, Wiz Khalifa, and Ty Dolla Sign.
Ty Dolla Sign Tyrone William Griffin Jr. (born April 13, 1985), known professionally as Ty Dolla Sign (stylized as Ty Dolla $ign or Ty$), is an American singer, rapper, songwriter, and record producer. He first gained major recognition in 2010 for his 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 US "Billboard" 200.