Assailed as "Apartheid-Oriented Rock", though rhythm and blues radio stations are only slightly more multicultural. Outgrowth of the success of commercial freeform radio in North America; freeform's freewheeling was increasingly toned down by consultants until FM radio was no different from Top 40 AM , with album cuts as 45s. There were still a few renegade DJs who were given some carte blanche, but that's rare now. AOR and classic rock (fossilized AOR) are automaton-driven.