Kim Jun Tae, also known as JT, is a South Korean singer, dancer, former member of TREI and current member of the duo JT & MARCUS and IN A MINUTE. Before debuting, he worked as a guide vocalist, recording guide tracks for BTOB. He later spent around 4 years as a trainee. TREI was originally formed as a duo in 2017 with Lee Jae Jun and Chae Chang Hyun. However, Banana Culture Entertainment decided to restructure the group and added him as a third member in 2018. He officially debuted in February 2019 as the group's main vocalist with their mini…