BtoB is back with their comeback performance for "Wow" from their mini-album, 'Press Play'.

"Wow" is a song reminiscent of the '90s, and to enhance the theme, the boys have also completed their transformation utilizing accessories and apparel pieces that were popular during the period.

Many have been anticipating the return of rookie group BTOB, so check out their latest comeback stage this week below and the rest of today's 'Music Core' performances here.