Ronald was a member and alto soloist of the Las Pinas Boys' Choir (NAMCYA Champions) under the direction of choirmaster Engracio Tempongko & Leo Renier and has performed regularly at the Malacanang Presidential Palace, Cultural Center Of the Philippines, Folk Arts Theater and the annual Las Pinas Bamboo Organ Festival. He also appeared as one of the "Spirits" in Mozart's Magic Flute with the Boston Opera Company under Sarah Caldwell, as one of the streetboys in Puccini's Tosca alongside Placido Domingo & the San Francisco Opera Company , and played the role of King Balthazar in Philippine Women's Univerity's production of Gian Carlo Menotti's Amahl & the Night Visitors.
He is also Assistant Music Director and tenor saxophonist of Banda San Jose (founded 1950) in his hometown, Las Pinas City, under Prof. Jorge Oliva Cristobal, gamelan instrumentalist and Assistant Choral Director of Philippine Women’s University-College of Music's Philippine Music Ensemble under Dean Lucresia R. Kasilag. While a student at the PWU-CMFA, he served as Freshman Representative and then on his sophomore year as President of the College of Music's Student Council, Music Director of Dulaang Bayanihan theater group and was Ambassador of Goodwill to the United States (Philensemblia '87) bringing the Filipino indigenous music to various Filipino communities and music colleges across the U.S. He is also a consistent member of the Dean’s List and captain of his team that won the first prize in the College of Music’s "Music Quiz" on his freshman year.
Ronald also does a bit of writing. He bagged the second prize in St. Joseph’s Academy’s Song Writing Contest with his partner Tadeo Cueco on his 3rd year in high school. In 1988, his song, "You, My Friends", originally written in 1983 for his graduating class, was chosen as theme for the Commencement Excersises of his alma mater, St. Joseph's Academy. He was then commissioned to write the theme for Las Pinas East Municipal High School the following school year.. He taught music and trained the school choir of St. Francis Of Assissi College in Las Pinas, awarded Best Arranger in Golden Haven Memorial Park’s Choral Contest, and was always helpful in judging various singing contest in his hometown and providing music in wedding receptions.