Kay Musical Instrument Company Kay Musical Instrument Company Kay Musical Instrument Company was a musical instrument manufacturer of the United States, in operation from the 1930s until the 1960s. Kay was established in 1931 in Chicago, Illinois, by Henry Kay Kuhrmeyer, from the assets of the former Stromberg-Voisinet (founded as Groeschel Mandolin Company in 1890). Kay offered their first electric guitar in 1936 — five years after the Rickenbacker "Frying pan", and the same year as the Gibson ES-150. However, the Kuhrmeyer-owned Stromberg-Voisinet brand had produced the Stromberg Electro even earlier, in 1928, making the short-lived model arguably the first commercial electric guitar. The
Musical instrument popular music, and the instrument makers responded accordingly. Beginning in about 1400, the rate of development of musical instruments increased in earnest as compositions demanded more dynamic sounds. People also began writing books about creating, playing, and cataloging musical instruments; the first such book was Sebastian Virdung's 1511 treatise "Musica getuscht und ausgezogen" ('Music Germanized and Abstracted'). Virdung's work is noted as being particularly thorough for including descriptions of "irregular" instruments such as hunters' horns and cow bells, though Virdung is critical of the same. Other books followed, including Arnolt Schlick's "Spiegel der Orgelmacher und Organisten" ('Mirror of Organ Makers