History of the violin also apply sonic effects. Electric violins may have four strings, or as many as seven strings. Since the strength of materials imposes limits on the upper string, it is usually tuned to E5, with additional strings tuned in fifths below the usual G3 of a typical four-string violin. The five-string electric violin shown in the gallery below was built by John Jordan in the early 21st century, and is tuned C G D A E. Boyden, David The History of Violin Playing from its origins to 1761. Oxford University Press, Oxford, 1965. . History of the violin The violin, viola,
Richter-tuned harmonica note downwards in pitch. This allows for every note on the XB-40 to be bent downwards a whole-tone or more, whereas on standard diatonics only certain notes (the higher-pitched in the cell) will bend at all. The other Richter-tuned harmonica of this kind is the Suzuki SUB30 Ultrabend. Where the XB-40 uses valves and a total of 40 reeds, the SUB30 takes a different approach. Each hole of the harmonica houses a third reed, totalling thirty reeds altogether and thus, where the harmonica draws its name. The third reed is dubbed a "sympathetic reed", tuned one tone below the pitch