Related Information for 4tune There are three artists with the name 4Tune.1) German rapper 4tune2) Boyband as seen on the UK X Factor, 4Tune3) Serbian Electronic/Hip-Hop group 4TUNE4) Swedish NS metal band1. 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, he left his label, BSE, in the su.. read more