Popular producer Kim Hyung Suk, most famous for his work on the 'My Sassy Girl' OST / soundtrack recently recruited some talented artists for his "2011 Kim Hyung Suk With Friends Part. 1" album. The biggest name he recruited for this collaboration album is none other than girl group, KARA. For this album, KARA sang a track titled '????? / I'll Write You a Letter,' which is a remake of the song originally sung by the talented Lena Park. Check out the track below and remember to support the artists by purchasing the music. Tip: Jared