SEE ALSO: Lee Mi Joo's label confirms she's dating soccer player Song Bum Keun

The snippet of the song gives off a hopeful, sentimental mood. On currently airing travel variety show 'Cross Country',�HA:TFELT or Yenny,�SPICA's�Bohyung,�Suran,�and actress Kang Han Na�take a road trip across California to encounter different musical experiences, writing songs inspired on the road.

Part 1 of the OST series was "Thru the Sky" by HA:TFELT. You can listen to Part 2 "Like a Child" on March 19!