Lucio D. San Pedro (1913–2002), a National Artist renowned for his "creative nationalism".
For those who need MIDI playback or transposition tools, Ferdinand M. Bautista has a popular version of "Umawit Kang Masaya (Salmo 100)" available for download or printing . umawit kang masaya satb pdf
This platform has multiple uploads of the score, including 7-page full versions and condensed versions featuring lyrics and chords. Full SATB Score by Jundel Abiera Lyrics & Chords PDF Lucio D
Several digital libraries and music communities host the SATB (Soprano, Alto, Tenor, Bass) arrangement for rehearsal and performance: Lucio D. San Pedro (1913–2002)