BTOB has just introduced their new sub-unit, and we couldn’t be more thrilled about it! 90TAN is the name of this fresh duo, featuring the dynamic Hyung Line members Eunkwang and Minhyuk (HUTA). Their debut single, ‘TANG TANG TANG’, is an exhilarating blend of old-school hip-hop and rock instrumentals that makes a strong first impression. This track is a funky ...