The Harmony Company of Illinois, United States, manufactured a wide variety of musical instruments which were popular during most of the 20th century. This article is devoted to documenting these instruments.
The Harmony Company of Illinois, United States, manufactured a wide variety of musical instruments which were popular during most of the 20th century. This article is devoted to documenting these instruments. (en)
The Harmony Company of Illinois, United States, manufactured a wide variety of musical instruments which were popular during most of the 20th century. This article is devoted to documenting these instruments. (en)