Coming from a family of singers, De Castro joined multiple local singing contests. He would eventually be able to join the
Manila Philharmonic Orchestra as a wedding singer in 2016. He lost to Mark Michael Garcia in the final. De Castro performed "
Listen" by
Beyoncé and a
medley of songs by
Sarah Geronimo. He would take part in various different theater productions such as
Lion King: The Musical in 2014. He was selected to record the gospel song "Sa Piling Ko" which was used as a theme song in the television special, ''In My Father's Arms''. De Castro would join the 2023 Stars of the Albion Grand Prix in London upon the recommendation of Vega Entertainment Productions. He was able to join after a successful fundraiser. His feat was recognized by Philippine President
Bongbong Marcos. ==Personal life==