What makes Tell Me (What Is Love) by D.O. notable?

'Tell Me (What Is Love)' received positive reviews for its emotional depth and D.O.'s vocal delivery, quickly becoming a commercial success in South Korea. It topped several charts upon release and solidified D.O.'s position as a solo artist, influencing subsequent K-pop idols to explore similar genres in their solo endeavors. Released on February 19, 2016, 'Tell Me (What Is Love)' is D.O.'s debut solo single after gaining fame as a member of the popular boy band EXO. This marked a significant moment in his career as he sought to establish his identity outside of the group dynamic, showcasing his vocal prowess and artistic vision.