WordNet sense 1 (patronized by):

fashionable

WordNet sense 2 (characterized by or advocating or based upon the principles of democracy or social equality):

democratic

WordNet sense 3 (having no special distinction or quality; widely known or commonly encountered; average or ordinary or usual):

common

WordNet sense 4 ((of music or art) new and of general appeal (especially among young people)):

pop

WordNet sense 5 (not classical):

nonclassical