KARA's unpublished song was leaked on a radio broadcast.

Today, according to DSP media, KARA's unpublished song was released on KBS 2FM Super Junior's "Kiss the Radio."

"Pandora" was to be officially released on August 22 as their title song.

After the accident, the staff posted on their twitter, "We are sorry for releasing a song without confirming first that it was already released. We hope that those who listened to today's broadcast will not share with others."

The producers also posted a message on the radio community board, "We truly apologize to KARA and the producers for releasing it earlier than planned."

DSP stated, "We believe that they turned it on by accident. We are currently reevaluating KARA's promotion schedule."

Internet users commented, "Apologizing is not enough" and "They need to be responsible for leaking their song early."