Magege Theophilus popularly called Ex O is a Nigerian born and bred. He is a music producer, song writer, Singer, rapper and Engineer who runs an Independent production company, CASH-IN Entertainment.
His expedition started him up as a dancer but his interest for sound gradually developed his ears and skills for music production. His first music production work was aired on radio in 2001 (Outshine-Misyan).
2006 Ex O continued to develop his music production skills and partnered with an independent music label, KNIGHTHOUSE where he camped for 2 years. In 2008 KNIGHTHOUSE released a single “WON BERI” off their body of work “STREET SCRIPTURES” which was the number one most played song in Lagos. 
In 2009 he registered and started his own company, CASH-IN ENTERTAINMENT which has in the past 6 years produced the likes of MODE 9, IGHO, WIZKID, MO CHEDDAH, SKALES, NIYOLA, KOFFI THA GURU, ICEPRINCE, OREZI, TEETO CEEMOS, FALZ D BAHDGUY, MYST, GINO, OLAMIDE, RHEYMOPHOEBUS, YEMI ALADE, BYNO, VECTOR, TIMI DAKOLO, SHAYDEE, LAMI PHILLIPS, EFA, GEN PYPE, SOUND SULTAN, WAJE, ILLBLISS, ELAJOE, M-FLOW, SLIM T, IYANYA,  and a host of others too numerous to mention.
Ex O has engineered sessions and projects for acts like D BANJ, CHIEF Dr OLIVER DE COQUE (Late), SHEYMAN, BUCCI, NOMORELOSS, BOUQUI, Just to mention a few.
He has also collaborated with producers like, Cobhams, Dokta Frabz, ID Cabasa, Frenzy, Mr Daz, E Kelly, X –Blaze, Outshine, Yeankeyz and many more.
Ex O offers his services to both private and corporate brands like OANDO, STAR FM, CITY FM, RADIO CONTINENTAL, AIRTEL, UNITY BANK, MTN, DSTV,STAR, ARIEL, UBA, just to mention a few
Amongst his most recent work is the MTN Caller tune which he Produced and performed, titled
 “BETTER ME”.
He also recently produced the Legend SIR SHINA PETERS caller tune for MTN , “E GO BETTER” 
Amongst other services are movie scores and sound design in his portfolio; “7 INCH CURVE”, “SUSPICIOUS GUY”, “NUSSIE” AND “PUMP PRICE”.

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Composer. Sound designer. Songwriter. Music Producer.

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