JP Guanzon is a versatile musician and tenor, skilled in piano, violin, guitar, percussion, and voice, and also serves as Assistant Conductor and accompanist of Kammerchor Manila. It was through Kammerchor Manila that he met Eloisa Contreras, a gifted alto and his partner in life and music.
Adding depth and harmony are Raymond Salvador, a former bass member of Kammerchor Manila, and his wife Sarah Salvador, once one of the choir’s celebrated soprano voices. Together, the couple brings warmth and artistry that complete the ensemble.



Under the banner of Haus Der Monzon, the OPM Singers lend their voices as guests in special gatherings and outreach events—celebrating music not just as performance, but as a bridge of connection, community, and love.

