姬聲雅士阿卡貝拉發展基金
GS A Cappella Development Fund (GSADF)
 
贊助項目
Sponsored items
 
   
A Cappella Festival Hamosatsu in Shin-Sapporo   Master Class Conducted by Mr. Ray Chu   O-Kai in Concert
         
     
Song Bird in Concert   Master Class Conducted by Miss Angelina Choo