OPM was coined by Danny Javier of APO Hiking Society, originallly referred only to pop ballads during the 70s and 80s pero ngayon, lahat ng gawa ng local artists natin is considered as OPM
When I think of OPM kasi, ito yung mga kanta ng ASIN, Sampaguita o kaya ni Freddie Aguilar na maririnig mo...