[3] Due to the recurring popularity of the song and album during the annual holiday season, Chan became known to Filipinos as "The Father of Philippine Christmas Music.

He took him two days to set the words to music, intending to make it a silver jubilee song for the Assumption High School Class of 1963.

[6]Before production started, Chan had attended Mass at the Santuario de San Antonio Parish in Forbes Park, Makati; when a young lyricist named Rina Cañiza knocked on his car window.

Cañiza would later replace the poem with the lyrics of "Christmas in Our Hearts" as we know it today, using Chan's melody for Ang Tubig ay Buhay.

However, when Chan played both songs at a press conference, the media and DJs singled out "Christmas in Our Hearts" as their favorite.

[7] In December 2006, it was awarded with a Double Diamond certification by the PARI on GMA Network's SOP (Sobrang Okey Pare) for selling more than 600,000 units in the Philippines.