U4Ya emerged on the Chicago music scene in 2004. He started playing in small clubs, where he was quickly noticed by other djs and club promoters.He quickly advanced and begun to play in the biggest and most popular clubs like Vision, Excalibur, to name a few. After a short time U4Ya was playing on the same stages with the worldselite DJs and Acts like: Blank & Jones, Benny Benassi, ATB, Cascada, Danzel, DHT and many more. In 2005 U4Ya begun to produce. U4Ya produced and is producing club hits with and for Artists such as Aaron Smith, Aaron Chase, Charles Feelgood, Mark Almaria Etc.Many of his tracks are released on various mp3 shops like Beatport, I-tunes, Junodownload, TrackItDown, DjDownload Etc.(that is under U4Ya, dj name, DiscoCodeViolation, name and older hits under Roland K. dj name) Now U4Ya produces mixes for labels such as Skint/Loaded, Clubstream etc.,and for artists such as Wideboys, Boy Wunda, Sound Blast Stereo, Stereolizza, Paul Williams, Lettercamp etc.