The ONE Music Group is an innovative company in music instrument & music education, which is based in Beijing,China and San F ... rancisco,USA since 2013. The ONE developed smart musical instruments incorporating digital technology to make musical learning more enjoyable and affordable, the smart piano classroom combined with hardware and software for group class teaching solution to make learning more fun and teaching more effective. There are more than 500,000 people experiencing the joy of The ONE Smart Piano and there are more than 4000+Classrooms, 2000+schools operating The ONE Smart Piano Classroom around the world. read more