Other keyed string instruments, small enough for a strolling musician to play, include the plucked autoharp, the bowed nyckelharpa, and the hurdy-gurdy, which is played by cranking a rosined wheel. Steel-stringed instruments (such as the guitar, bass, violin, etc.) can be played using a magnetic field.
The harp is a stringed musical instrument that has a number of individual strings running at an angle to its soundboard; the strings are plucked with the fingers. Harps have been known since antiquity in Asia, Africa and Europe, dating back at least as early as 3500 BCE.
The koto (Japanese: 箏) is a traditional Japanese stringed musical instrument derived from the Chinese zheng, and similar to the Mongolian yatga, the Korean gayageum, and the Vietnamese đàn tranh. The koto is the national instrument of Japan. Koto are about 180 centimetres (71 in) length, and made from kiri wood (Paulownia tomentosa).
A lute (/ lj uː t /) is any plucked string instrument with a neck (either fretted or unfretted) and a deep round back enclosing a hollow cavity, usually with a sound hole or opening in the body. More specifically, the term "lute" can refer to an instrument from the family of European lutes.
Other mandolin varieties differ primarily in the number of strings and include four-string models (tuned in fifths) such as the Brescian and Cremonese, six-string types (tuned in fourths) such as the Milanese, Lombard and the Sicilian and 6 course instruments of 12 strings (two strings per course) such as the Genoese.
The sanshin (三線, literally "three strings") is an Okinawan musical instrument and precursor of the mainland Japanese (and Amami Islands) shamisen ( 三味線). Often likened to a banjo, it consists of a snakeskin-covered body, neck and three strings.
Ukulele can be tuned like Dotara as well (a four string instrument played by the folk singers in India and Bangladesh) Ukulele can be tuned like Dotara in many patterns, but E-B-E-A is the easiest way to tune it as there are only two strings that need to be re-tuned.
Steel-stringed instruments (such as the guitar, bass, violin, etc.) can be played using a magnetic field. An E-Bow is a small hand-held battery-powered device that magnetically excites the strings of an electric string instrument to provide a sustained, singing tone reminiscent of a held bowed violin note.