??????Del Rosario was himself a pianist and was a member with the beginner jazz group Govt Combo Band (composed largely of politicians and notable businessmen). He owned a company, Trebel Industries, which was the major manufacturer of pianos and harpsichords from the Philippines. Del Rosario also invented and patented other audio tools before and

??????In August 2017, ROXI home tunes technique launched in britain, and later that calendar year inside the US, furnishing on-need tunes streaming as well as a karaoke singalong aspect known as Sing with The celebs. ROXI matches music in its cloud primarily based certified new music streaming catalogue to a lyrics database to offer serious time sc