NCT127 Tae Yong is attending the rehearsal of kbs2 Music Bank' held at the public hall of kbs New Hall in Yeouido, Seoul on the 14th.
About Music Bank
Music Bank is a South Korean music program which airs every Friday at 17:00 KST on KBS2. As of 2015, the show is also broadcast in more than a hundred countries through KBS World.
 Wikipedia