In my opinion, only Sunye here who didn't really fit in. Davichi? Well in short they're the best ballad vocalists in Korea, both Minkyung and Haeri has beautiful yet powerful voice. They possess everything: control, passion, technique, prowess. These girls are truly vocalists. Davichi vocalize; they don’t sing. Taeyeon? Long story short: as far as I know she's the only young idol who has D3-C6 vocal range (2 octaves 7 notes) and that is awesome. If only Sunye's replaced with Park Bom.........this would be totally perfec