1. Guitarsby Lorena and Lucia 2º ESO A Instituto Español “V. Cañada Blanch” Londres 2010-2011
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5. Nowadays, the strings are made of nylon with metal thread. However, animal gut strings are still available.
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11. The electric guitar The electric guitar converts the vibrations of its strings into electric signals. It has 4 strings. Many people were experimenting with electrical instruments in the 1920s, but, officially, the actual electric guitar was invented in 1931 by George Beauchamp.