Adi Cristian Colceru also known as David Deejay, is a Romanian former DJ, Record 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". He subsequently released several singles after the success of Sexy Thing such as Temptation and Fantasy. He is best known for his long time collaborations with singer Dony from the band Refflex. David Deejay is a pioneer of the Romanian popcorn music style.