http://voicerebirth.com/ 김영웅-sorry seems to be the hardest word (보컬,보컬트레이너,보컬트레이닝,믹스보이스,세스릭스,양진훈,mix voice,로저러브) (벨칸토 발성, 발성, 아포지오 기법,) What have I got to do to make you love me? What have I got to do to make you care? What do I do when lightning strikes me and I wake to find that you're not there? What d..