Bert del Rosario was born on 7 June 1919 in Pasay, Philippines. Bert is known for Florinda (1973). Bert was married to Eloisa Vistan. Bert died on 30 July 2003 in Manila, Metro Manila, Philippines.
His company Trebel manufactured harpsichords and the OMB, or One-Man-Band, a piano with a built-in synthesizer, rhythm box, and bass pedals that can all be played at the same time. Trebel was a popular brand of acoustic upright pianos in Philippines in the 1970s to 1980s.
