Answer
Yes, Jeon So-yeon is the leader of (G)I-dle and she has written the most of their title songs. She has written the lyrics and composed the music for songs such as "Oh My God", "Dumdi Dumdi", and "Latata". Jeon So-yeon is a talented songwriter and producer, and her work has helped (G)I-dle become one of the most popular girl groups in the world.