Mother Nature. 大自然这是一首关于作为水存在的我们的生活中唯一有意义的行为——关于爱情的歌曲。歌唱化为梦、祈祷、月光而流下眼泪，在被渐渐遗忘的记忆中仍然不变的今天的爱情。如同氧气和氢相遇就会爆炸一般，爱情也可能是爆炸物。** Credit- Producer : 강승원 - 작사 : 강승원 - 작곡 : 강승원- 편곡 : 서동환- 보컬 : 아이유- Guitar : 강승원- Strings & Wind: Budapest Scoring Orchestra- Conductor: Marton Toth- Strings recording at Pannonia Studio- Strings recording engineer : Denes Redly - Recording & Mixing : 박권일 at 푸른꿈 녹음실- Vocal recording & Mixing 손명갑 at Koi STUDIO - Mastering at Bernie Grundman Mastering Hollywood- Artwork : 손선경- Music Video : 손선경- Project Manager : J​- Executive producer : 이영무 @지온인베스트먼트