label: efe|music / Herz & Verstand (2004)recorded & mixed by Efe @Trackdealer Studios / FFM (2004) Mr. L – Lebenswerk Hip Hop
label: efe|music / jordan recordscomplete album production & artist developement Mike Crush – Halbum 1 Hip Hop
label: universal/ aggro berlinSong Production "Tage" feat. Harris & Pillath by Efe & DJ Katch Sido – Ich und meine Maske Hip Hop
Free-Download by efe|music & goldmine recordsRemix by DJ Katch & Efe Keri Hilson feat. Timbaland – Return The Flavor (RMX) Dance · Soul
Free-Download by efe|music & goldmine recordsproduced by DJ Katch & Efe @ Goldmine Studios / FFM additional Keys by Tim Crudu Jan Delay – Oh Johnny (Remix) Soul
label: seven days music (sonyc)"Feierabend" feat. Farid Bang produced by Efe & DJ Katch Summer Cem feat. Farid Bang – Feierabend Hip Hop
