<P> The song was composed by pop singer Richard Marx , who would later record the song twice , first for the Japanese release of his album Days in Avalon similar to the NSYNC version , and again as a rock song for the European version of his Stories to Tell album . Marx would later use the Days in Avalon version of `` This I Promise You '' for his Now and Forever : The Ballads album as a duet with Asian singer Sabrina . </P>
<P> The song was composed by pop singer Richard Marx , who would later record the song twice , first for the Japanese release of his album Days in Avalon similar to the NSYNC version , and again as a rock song for the European version of his Stories to Tell album . Marx would later use the Days in Avalon version of `` This I Promise You '' for his Now and Forever : The Ballads album as a duet with Asian singer Sabrina . </P>
who wrote the song this i promise you
who wrote the song this i promise you
pop singer Richard Marx
pop singer Richard Marx