Dr. Kim Chang, visiting staff of Dental Department, Taipei County Hospital, past chief of Dental Department, began his violin studies at age 8, has won 1st prize twice in 1976 & 1985 for violin performing of Taiwan Music Competition, also 1st prize of chamber music in 1979. Dr. Chang keeps his dental business and music activities in a perfect balance; he has worked with different symphony orchestras for concerto performing, also performed with outstanding musicians for chamber music. Dr. Chang gave his first recital “Music without Boundaries I” in 2001 which goes to VII now in 2009. Dr. Chang is the co-founder and the group leader of Physicians Chamber Orchestra of Taiwan, also the co-founder and concert master of Taipei Civic Symphony Orchestra.