30 years ago, children sang <Three Bears>. 20 years ago, children sang <Three Bears>. 10 years ago, children sang <Three Bears>. Children today also sing <Three Bears>. Until when? In 2022, South Korea needs a new national children's song! On May 5, 2022, celebrating the 100th Children's Day, a 'next-generation national children's song' embodying new values for 2022 will be announced! What will be the next-generation national children's song created together by a celebrity novice children's song producer and baby singers? Adult composer, child lyricist! A journey to discover the next-generation national children's song, created together by adults and children!