Monstar is treating fans to a special dance practice for their song “BADADU”, marking their comeback as a 5-member group (including Key, Nicky, Grey-D, Zino and J) after “Nếu mai chia tay.” On the evening of January 17th, Monstar made a comeback to Vpop in 2019 with a new song named “BADADU”. This song is composed by Key, Nicky and Grey-D, 3 members of Monstar, with the aim to celebrate the 8th anniversary of ST.319...