Park Shin Hye continued to pique fans' interest with her surprising connection to B1A4 as it has been revealed that her older brother assisted in their new album!

SEE ALSO: B1A4 drops second full album, 'Who Am I'!

Park Shin Hye tweeted, "My oppa played the guitar session and arranged this song. The song is good^_^ Uhl~ Your guitar skills improved a bit~~~", revealing that her older brother is actually a musician.

The photo shows the tracklist for B1A4's second full-length album 'Who Am I' with focus on the track, "OH MY GOD", arranged by none other than her brother Park Shin Won.

Listen to B1A4's "OH MY GOD" with attention to Park Shin Hye's brother's guitar accompaniment here!