There are five artists with the name 4Tune. 1) German rapper 4tune 2) Boyband as seen on the UK X Factor, 4Tune 3) Serbian Electronic/Hip-Hop group 4TUNE 4) Swedish NS metal band 5) Italian drag queen collective 1. 4tune (born March the 13th in 1988) is a German rapper from Hamburg strongly influenced by Gold rap style. His real-life name is Mario Müller and he also uses the pseudonym Günni Kologe. Because of artistic differences regarding his future solo career