HA:TFELT, former SPICA member Bohyung, and Suran have dropped a teaser video for part 4 of the 'Cross Country' OST. 

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Yenny, Bohyung, and Suran are also currently part of the MBC every1 travel variety show 'Cross Country', which centers around the girls taking a road trip. "Cross Country" is the latest song they've written after receiving inspiration from the road.

Check out the MV teaser above, and stay tuned for updates!