True

Panis Angelicus (Arr. for Vocal, String Ensemble and Clarinet by Lee Jiwon) [with Ju-young Baek]

Magic in the Moonlight (with Woong San)

I am a thousand winds (Arr. for Vocal, String Ensemble and Piano by 김우근) [feat. 이현은] [Korean Version]

愛不完 (with Ccotbyel)

Voyage

Kawa No Nagarenoyouni (Arr. for Vocal, String Ensemble, Guitar, Piano, Bass and Drum by 김우근) [Korean Version]

Addio!

The Song of Dreams (Arr. for Vocal, String Ensemble, Guitar, Piano and Synthesizer by Lee Sungjoo) [with Young Hwan Kim]

Kawano Nagareno Youni (Arr. for Vocal, String Ensemble, Guitar, Piano, Bass and Drum by 김우근) [Japanese Version]

I am a thousand winds (Arr. for Vocal, String Ensemble and Piano by 김우근) [feat. 이현은] [Japanese Version]