Following Akdong Musician's Lee Soo Hyun, Lee Hi will be the next one to join in Epik High' comeback stages.According to YG Entertainment on October 24th, Epik High will perform 'Happy Ending' with Lee Hi on Mnet's 'M Countdown' and SBS's 'Inkigayo' next week.Lee Hi previously featured in 'It's Cold' which was one of the tracks from Epik High's '99' album in 2012. Many fans have been watnting to see Lee Hi singing with the group again and now the wish has been fulfilled.Meanwhile, Epik High will hold their 1st concert in 5 years 'Parade 2014' at Blue Square Samsung Card Hall from November 14th to 16th.