It dealt with obscenity, and the case was cited in the latest court discussions about FCC rules, so it applies. It sounds to me as though you and MFD find this music to be obscene or offensive.
Who are community leaders? How about the mayor, city council, church groups, PTAs, and all those civic organizations who represent groups of people. If a radio station is playing music that someone within its signal area finds objectionable, those listeners have a right to complain to the station and the FCC. That's proper protocol. Have you or MFD done this yet? Complaints must be made through official channels, not on computer message boards.