Mareco Broadcasting Network DWBM-FM 105.1 Crossover

The Mareco Broadcasting Network, Inc. made its debut in July 7, 1963, its first AM station DZBM 740 kHz, originally served only as a promotonal venue for Mareco's Mabuhay and Villar record bands. It also held the local license to produce and market foriegn music labels from a peak of over a the latest and widest variety of popular music and consistently no. 1 in the surveys, contributing significantly in radio as a prime entertainment medium in Manila

With its increasing listenership, Mareco Broadcasting Network eventually opened DZBM to commercial advertising. For enhanched quality, the station from AM to FM band and became known as DWLM-FM at 105.1 in the May 6, 1972 as So-FM in June 12, 1975 as Super Tulong Pinoy 105.1 with an all-OPM format late refomatted as Power FM BM 105.1 in August 3, 1985 back to DZBM 105.1 with a New Wave format and changed its callsign to DWBM In the July 1, 1991, the network underwent several changes in management, as well as programing. with the result being 105.1 Crossover in June 20, 1994