Germ of truth to LaRouche's loony worldview, sez Peter Maplestone:
"Marcuse definitely worked for the OSS (precursor to the CIA) during WW2. Dunno about Adorno but he was certainly very chummy with post war German Governments and his denuciations of Lukacs were published in the CIA journal of West Germany (Der Monat) and soon afterwards in the other CIA funded journals (like Encounter) all over the world, according to Istvan Meszaros."
I guess Marcuse is the link for LaRouche lot between Frankfurt School and counter culture. Mind you his concept of repressive desublimation could work just as well as a critique of rock/pop as massive engine mobilising libido in service of capital and keeping the whole economy juiced.