Full Orchestra Compositions |
| Trinity (A Symphonic Cycle for Ballet) | 1994 | World premiere by Camelia Symphony, Sacramento CA, Maestro Eugene Castillo conductor |
| Philippine Festival Overture | 1993 | World premiere by the Philippine Philharmonic Orchestra under Maestro Oscar C. Yatco. Subsequent to this was Honolulu premiere. |
| Concerto No. 2 for Double Bass and Orchestra | 1991 | Featured piece at the Philippine Philharmonic Orchestra's subscription concert, February 2007 |
| Symphonic Serenade on Sarung Banggui | 1985 | Commissioned by the Cultural Center of the Philippines and subsequently performed by the Chicago Symphony Orchestra under the baton of Maestro Francisco Felilciano. |
| Mutya ng Pasig by N. Abelardo, Sr. | 1983 | |
| Symphonic Variations on Two Manobo Themes | 1983 | Manobo themes provided by the late Prof. William Pfeiffer, ethnomusicologist |
| Homage to Jose Rizal (for speaker, male chorus, and orchestra) | 1982 | Text arranged by Tomas C. Hernandez |
| Concerto for Jazz Quartet and Orchestra | 1981 | |
| Concerto No. 1 for Double Bass and Orchestra | 1969 | Premiered at Pena's farewell concert, Manila Symphony Orchestra |
| Igorot Rhapsody | 1959 | First Prize, National Composition Contest, University of Santo Tomas, Conservatory of Music, Manila, Philippines. Igorot theme provided by Dr. Eleazar Sarmiento |
| String Fever - a novelty | 1956 | |