BTS members were in for a special surprise as they met with Seo Taiji in the studio during practice for Seo Taiji's upcoming�25th-anniversary concert!

One of the members commented,�"I'm nervous. Standing behind me toward my right is the one and only, legendary Seo Taiji�sunbaenim."

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Watch as BTS rehearse together with Seo Taiji, focusing on choreography segments and rapping lyrics while dressed in iconic stage attire from "Come Back Home" and "I Know".