GTA may refer to several artists:
1) an electronic music duo from Miami consisting of house, electro house, trap and hip hop producers Julio Mejia and Matt Toth. Now they go by Good Times Ahead.
2) a hip-hop group from Oxford - U.K. Formed of Junior Doctor Chima Anya and Ineff, established in 2004 - they consider themselves "Hip-hop's last chance" .
3) Breakbeat and jungle project of DJ Uncle Noah. Originally named "DTA" to stand for 'Davis Techno Alliance' - an homoage to DJs Jeyson and Marcone/Hannibal Selecta who Uncle Noah met in Davis Read more on Last.fm