 He continued to edit it for 50 years, coordinating many "Live" New Departures, Jazz Poetry SuperJams and Poetry Olympics festivals.Though initially associated with the British Poetry Revival, Horovitz became widely known on his appearance at the International Poetry Incarnation at the Royal Albert Hall on 11 June 1965, alongside Allen Ginsberg and Alexander Trocchi.In 1969 Penguin Books published Horovitz's "Children of Albion" anthology.