Entitled “Heart,” the soft acoustic track was written, composed, and produced によって IU（アイユー） herself with the help of Kim Jae Hwi.
The stripped down song highlights IU’s sweet and soothing vocals, which go perfectly with the poignant lyrics. “As everything in this world dies and is reborn/ Even as I grow older/ Solely this ハート, 心 of mine without any wrinkles/ Shines brightly here/ alive forever/ alive forever,” she croons.
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“Heart” was first revealed in the 秒 episode of KBS’ “Producer,” which aired on May 16 and was officially released on May 18 via various 音楽 sites.
If あなた missed it, check out the scene from “Producer” featuring the OST below.
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