Billy Simpson is a singer-songwriter, musician, producer, who won the first season of The Voice in Indonesia and is also a member of JPCC Worship as a worship leader and songwriter. He co-wrote the songs “Harapanku”, “Yesus Mulia”, “Imanuel”, “Dia Raja”, “Jehovah Jireh”, “Kar'na-Mu”, “Your Many Blessings”, “More Than I Know”, and also “Sampai Akhir Hidupku” which won the 2018 Indonesian Music Award for Best Christian Song. In 2019 he released “Be My Wife” that has been streamed for more than 10 million times across all digital platforms, and until this day is been used by couples all over the world as a wedding proposal song.