On September 25th, Jang Jae In and Lee Tae Kwon guested on MBC's "A Concert for the Beautiful" and sang a unique cover of SNSD's hit track, "Hoot". As the two are from rivaling programs, 'Superstar K2' and 'Birth of a Great Star', their duet had earned the widespread attention of broadcasting officials everywhere.  For their special duet, the two composed a medium-tempo rock arrangement along with cute bow-and-arrow dance moves fit to the song. Jang Jae In received praise for her high notes while Lee Tae Kwon followed right up with his stable vocal power. Viewers commented, "Lee Tae Kwon is becoming cuter by the day", "So is Jang Jae In, she's really beautiful", and "They're a duet that I could never have imagined would work but they both work great together." Check it out below! Source + Photos: TV Report via Naver