Harp Maintenance

How to tie a harp string knot 豎琴弦如何打結

https://www.youtube.com/watch?v=W8S8xQZMxAY&t=63s

How to change a harp string 如何更換豎琴琴弦

https://www.youtube.com/watch?v=g1Y0E662sHA&t=10s

How to tune a lever harp 如何調音 (手撥豎琴)

https://www.youtube.com/watch?v=3ebpz8K8_Fk

How to tune a pedal harp 如何調音 (踏板豎琴)

https://www.youtube.com/watch?v=UIXpYT3cKJc