Former 'Superstar K' winner Seo In Kook will be appearing on stage with singer Lisa for her concert. Their management agency,�Jellyfish Entertainment, stated, "Seo In Kook will have a special appearance in Lisa's concert, 'Jazz'n Roll', on November 12th at 8 PM." The two are said to have a fairly close relationship, and have apparently discussed music with each other on multiple occasions. Lisa will sing her hit singles, "Did You Really Love me" and "Should We Get Married", during the concert. Source + Photo:�Newsen