On the May 18 broadcast of�MBC's 'Picnic Live',�IU described a memorable encounter she had with her dear fans.

She shared how she enjoyed interacting with fans, as well as how she pondered about bringing her fans satisfaction.�

The singer then recalled a rather emotional incident, "I got emotional when fans sang 'Heart' during my concert. 'Heart' is one of the songs that emerges when I think about pure and righteous thoughts. Maybe that's why it gets me every time fans serenade it."

Do you like IU's song "Heart"?

SEE ALSO: IU to become the first Korean solo artist to hold a show at the Philippine Arena in June