https://bidm-app.oss-cn-shanghai.aliyuncs.com/zekro/2022/first%20drum%20I%20built.mp4 my son testing it after so many years!!!
I invented electronic Santur. in Chinese, Yang Qin in 1985 and I have a patent from Finland. here is the picture of the prototype I
https://bidm-app.oss-cn-shanghai.aliyuncs.com/zekro/2020/TV%20shows%20and%20programs%20in%20China%20II.mp4
https://bidm-app.oss-cn-shanghai.aliyuncs.com/zekro/2020/TV%20shows%20and%20programs%20in%20China%20I.mp4
https://d22cwgendtb8ga.cloudfront.net/wp-content/uploads/sites/8/2020/02/Dar-rahe-zekro-tombak-.mp3
https://d22cwgendtb8ga.cloudfront.net/wp-content/uploads/sites/8/2020/02/Dorude-bizarb.mp3
https://bidm-app.oss-cn-shanghai.aliyuncs.com/zekro/2019/love-in-suzhou-zekro.mp4