Reed Music Instruments 簧片音乐 - Free Reed Instruments - "mouth wind"

In addition to the harmonica, many other mouth-blown musical instruments were invented using free reed technology at the beginning of the 19th century until the middle of the 20th century

除口琴外，从 19 世纪初到 20 世纪中叶，还发明了许多使用自由簧片技术的口吹乐器