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 and the timing, and usually states the key of the harmonica required for the song. Complete example of harmonica tab: A number (sometimes inside a circle) appears below each note in otherwise conventional sheet music, and indicates which number hole to play. An up or down arrow beneath the number indicates whether to blow or draw. Up means blow and down means draw. A curved arrow indicates bend notes—slightly to the left for a half step flat, and longer to the left to indicate a whole step flat. Right-pointing arrows indicate a sharp bend. Harmonica The harmonica, also known as