RMN joined forces with the Philippine Herald and Inter-Island Broadcasting Corporation to form the powerful first tri-media organization. That association gave RMN at the forefront of broadcast journalism and public service. Other "Sound of the City" stations soon followed in Zamboanga in 1961 (DXRZ), Cebu in 1962 (DYHP), Metro Manila (DWXL) (now DZXL) and Iloilo in 1963 (DYRI), Bacolod in 1964 (DYHB), Tagbilaran in 1967 (DYXT), Baguio (DZHB) and Bislig, Surigao del Sur in 1968 (DXHP).
RMN joined forces with the Philippine Herald and Inter-Island Broadcasting Corporation to form the powerful first tri-media organization. This alliance placed RMN at the forefront of broadcast journalism and public service. Other "Sound of the City" stations soon followed in Zamboanga in 1961 (DXRZ), Cebu in 1962 (DYHP), Metro Manila (DWXL) (now DZXL) and Iloilo in 1963 (DYRI), Bacolod in 1964 (DYHB), Tagbilaran in 1967 (DYXT), Baguio (DZHB) and Bislig, Surigao del Sur in 1968 (DXHP).