2AM revealed a video of them with perfect harmony, during their practice for their upcoming concert.

The video titled '2AM KPOP medley practice' was revealed on Saturday is a preview of their K-Pop melody that they will show during their concert in Hong Kong, Taiwan, and Japan.

2AM sang Big Bang's song "Fantastic Baby," Girls Generations' "Gee," in an acoustic version.

2AM will have their concert at the Olympic Hall in Olympic Park in Songpa-gu, Seoul "The Way Of Love," on November 24th and 25th. They are expected to perform upgraded performances during this concert.