Super Junior K.R.Y. - 할 수 없는 일(I Can't)(做不到的再见) 作词：영준、전홍준 作曲：영준、전홍준 编曲：영준、전홍준 Vocal Directed：영준 Background Vocals：영준、전홍준 Drum Performed：신석철 Bass Performed：최훈 Guitar Performed：전홍준 Piano Performed：길은경 String Performed：융스트링 String Arranged：이나일 Conducted：이나일 Brass Performed：Flugel Horn 김동하、Trumpet 김동하、Saxophone 김수환、Trombone 이한진 Brass Arranged Conducted：김동하 Recorded：이지홍 @ SM LVYIN Studio、강은지 @ SM SSAM Studio、김갑수 @ LP Music Studio、홍성준、김광민 @ 개나리싸운드、정기홍、이찬미 @ Seoul Studio、오현석、안영길 @ Vibe Studio Digital Editing：장우영 @ doobdoob Studio、전홍준 Engineered for Mix：이지홍 @ SM LVYIN Studio Mixed：이지홍 @ SM LVYIN Studio