Actress Park Shin Hye's older brother participated in group B1A4's new album.

Today, Park Shin Hye posted on her Twitter, "This is a song that my brother did guitar session and editing for. The song is good. He got a little better on the guitar" along with a picture.

In the picture, the tracklist of B1A4's album "WHO AM I" is shown. It was revealed that Park Shin Hye's older brother Park Shin Won did guitar and editing for the song 'OH MY GOD.'

Internet users who saw this commented, "I should go listen to it," "I didn't know he was a musician," etc.

B1A4 released their 2nd album 'WHO AM I' today.

Photo Credit: Star Today