String instrument rosin than players of lower-pitched instruments, who tend to favor darker, softer rosin. The ravanahatha is one of the oldest string instruments. Ancestors of the modern bowed string instruments are the rebab of the Islamic Empires, the Persian kamanche and the Byzantine lira. Other bowed instruments are the rebec, hardingfele, nyckelharpa, kokyū, erhu, igil, sarangi and K'ni. The hurdy-gurdy is bowed by a wheel. Rarely, the guitar has been played with a bow (rather than plucked) for unique effects. The third common method of sound production in stringed instruments is to strike the string. The piano and hammered dulcimer use
Hurdy Gurdy (film) term 'Hurdy Gurdy' is a "barrel organ". The film is recorded on Western Electric apparatus, which was an early sound-on-film recording system. This same system was also used on another Oswald short film entitled "Permanent Wave", which was released in the same year. Copyrighted on 3 January 1930, but released the year prior, the film was released by Universal Pictures. Thus, the film is part of the Universal series of Oswald The Lucky Rabbit films. The film opens with a bear (who is the street performer) using a barrel organ, and a monkey dancing to the music made by it.