Registration for World Youth Day attendees is scheduled to open in October. World Youth Day theme song gets a pop releaseOrganizers marked the one-year countdown to World Youth Day 2027 with the release of the event's official theme song, "Confidite, Ego Vici Mundum," meaning "Take courage! The World Youth Day 2027 anthem was released in a both a pop version and a classical version and can be heard online on YouTube. Volunteering opportunities at WYD SeoulVolunteering opportunities are available during the upcoming World Youth Day. He said the invitation reflects the World Youth Day 2027 theme, "Take courage, I have conquered the world" (John 16:33).