Eiji Nakayama × Hayato Yamaoka 这首合作曲目融合了两位艺术家在R&B和Soul音乐上的共同根源，以及福音音乐的丰富层次和流行音乐的振奋能量，探讨了单一声音与他人和谐共鸣的主题。歌词中交织着英语和日语，围绕共鸣、连接和参与的理念展开。此外，歌曲中还融入了2025年7月23日在东京举行的现场活动中录制的观众合唱，以体现其“共同参与”的精神。 Eiji Nakayama × Hayato Yamaoka Blending the artists' shared roots in R&B and Soul with the layered textures of gospel and the uplifting energy of pop, this collaborative track explores the theme of a single voice expanding into harmony with others, weaving English and Japanese lyrics around the ideas of resonance, connection, and participation, and features audience vocals recorded at a live event held in Tokyo on July 23, 2025, which were incorporated into the backing chorus to embody its "join-in" spirit.