Founded in 2010 , it consists of about 30 members and is led by musical director Brian Oberlin .
Oregon Mandolin Orchestra ( OMO ) is an amateur orchestra based in Hillsboro , Oregon in the Portland metropolitan area .
Founded in 2010 , Oregon Mandolin Orchestra consists of about 30 members and is led by musical director Brian Oberlin .
Oregon Mandolin Orchestra ( OMO ) is an amateur orchestra based in Hillsboro , Oregon in the Portland metropolitan area .