KCON Paris - Leeteuk and ZICO talking about the song 'It Was Love' (사랑이었다)

KCON France - Leeteuk interview ZICO from Block B about the next song, 'It Was Love' (사랑이었다) written by Zico and will be performed as a duet by Luna (루나) of (F(x)) (에프엑스 ) and Taeil (태일) of Block B (블락비)