Adi Cristian Colceru also known as David Deejay (born December 10, 1980, in Bârlad), is a Romanian DJ, producer and composer from Bucharest, Romania. He studied violin in primary school. After moving to Bucharest, he worked with several local producers, and in 2007 started with the hit single "Sexy Thing". David Deejay released several singles in the last years. He has a long time collaboration with Dony (Cornel Donici from the band Refflex).