Bio: 夏宜成 ViolinOS 創始人 美國波士頓大學小提琴博士

Bio: Adult violin beginners.

Bio:

Bio: Never too late to start

Bio: Hej, it's Hewei （高贺惟）

Bio: Nice to meet you, I love guitar, violin and baroque music. 我的中文名字是卜雨翔

Bio: violin