Group Studio 谷音樂工作室 地址: 荃灣德士古道168號德豐工業中心1座8樓801室 Tel: 9721 9270 Guitar $500/4 lesson (1HR for a lesson)Bass $500/4 lesson (1HR for a lesson)Drum $500/4 lesson (1HR for a lesson)Team $350 each people/4 lesson(1HR for lesson)