Hidden Track 2 - Leeteuk, KRY - credits to the @Hipkyu55

• https://drive.google.com/file/d/1eJ2xX9uiCfM4qmQ9HNT_YHFyfGIBNM0I/view
• Alternative

Hidden Track 3 - Leeteuk, Yesung & Eunhyuk - credits to the @Hipkyu55

• https://drive.google.com/file/d/1eDLJ4cboh-gF9m0xG4DJkDRrO-82oItT/view
• Alternative