On the March 29 broadcast of 'Weekly Idol', Junhyung wrote on his profile that he's preparing a trot song titled ''My Heart is Doojoon Doojoon''. He then explained why he's composing the song for Doojoon, saying, "I think it suits him well. The way he moves has a trot vibe."

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However, Doojoon didn't seem too excited about the idea but stated, "I did promise with my fans so I'll have a trot stage at our concert."