Two of the top vocalists on the scene, 4men's Shin Yong Jae and Davichi's Lee Hae Ri, have gotten together for the collaboration album 'Acoustic Project #1'!

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Shin Yong Jae and Haeri formed a duet for "Your Empty Place", which is themed around "clouds" and the first collaboration track from the project album created by composer Choi Kyu Sung. The composer has previously written B2ST's "On Rainy Days", Huh Gak's "Hello", and Davichi's "Because I Miss You Today".

Check out the song above, and stay tuned for more tracks from 'Acoustic Project #1'!