Entertainer Park Myung Soo brought up his past collaborator, Jessica, during the airing of his radio show, 'Park Myung Soo's Radio Show,' on August 3.

A listener asked him to play his past summer hit, "Naengmyun," which reminded him of working with Jessica for MBC's 'Infinity Challenge Music Festival' in the past. �

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Keeping things short and sweet, he commented, "This was the song I worked with Jessica on. �I don't know where she is, but I can't get in touch with her." �After the song ended, he added, "Jessica sings well. �Very refreshing."

As a sweet refresher: