Anne Ford it was considered controversial for a woman to play the "masculine" viola da gamba, referred to at the time as the "viol di gambo". Ford gave a performance at Spring Gardens in 1761, "English airs". accompanying herself on the musical glasses. She also wrote a published work, "Instructions for Playing on the Musical Glasses". The instrument was comparable to the glass harp of Richard Pockrich consisting of individual glass goblets tuned with water, and preceded the 1761 mechanized armonica (Glass harmonica) invention of Benjamin Franklin and played by Marianne Davies. Ford's accomplishments risked being complicated by an infatuated lover, the
Harmonica were still developed in the 20th century, including the chromatic harmonica, first made by Hohner in 1924, the bass harmonica, and the chord harmonica. In the 21st century, radical new designs have been developed and are still being introduced into the market, such as the Suzuki Overdrive, Hohner XB-40, and the ill-fated Harrison B-Radical. Diatonic harmonicas were designed primarily for playing German and other European folk music and have succeeded well in those styles. Over time, the basic design and tuning proved adaptable to other types of music such as the blues, country, old-time and more. The harmonica was a