As an artist and musician, Orhan Maslo Oha was engaged on many projects and among others collaborated with: Dutch National Metropole Orchestra, Dubioza Kolektiv, Sevdah De LUX, Mostar Sevdah Reunion, Eternal Bridge, Umoya Ensemble, Vasil Hadzimanov Band etc.
He also worked with world known musicians; Brian Eno, Horace Andy, Prince Stanley, Eugene Skeef, AnthonyTidd, Mehnaz, Laraaji, Duncan Sheik, Matt Black.
• September 2021 – September 2022
Position: Event producer &Team leader of Open City Mostar 2021 and 2022
Organisation: EU/City of Mostar/Association Mostar Rock School/Klub 27 d.o.o.
• 2017 – present
Position: Executive producer of Old Town Street Festival (Red Bull Cliff Dive event)
Organisation: Red Bull & Mostar Rock School
• 2012 – present
Position: Director, Mostar Rock School
Employer: Mostar Rock School
• 2011 – present
Position: Manager of Recording Studio MC Pavarotti
Employer: Pavarotti Music Center
• 2005 – present
Position: Executive producer and founder of Mostar Blues & Rock Festival
Organisation: NGO Mostar Blues & Rock Festival