HELPING THE OTHERS REALIZE THE ADVANTAGES OF KARAOKE

https://www.gangnambam24.com/Del Rosario was himself a pianist and was a member on the novice jazz group Govt Combo Band (composed largely of politicians and well known businessmen). He owned a company, Trebel Industries, which was the major manufacturer of pianos and harpsichords during the Philippines. Del Rosario also invented and patented other