Hellow guys, Welcome to my website, and you are watching 뉴욕실용음악학원 워크샵 시리즈 (송유진 교수)- 올바른 연습방법 part (1) 적당한 연습시간이란. and this vIdeo is uploaded by 뉴욕재즈 Guitar at 2014-07-21T02:41:46-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.