Question: Noor Zehra plays a variation of a stringed instrument that was traditionally used to play what kind of music?

full_context: Document 1: Aziz Herawi: Aziz Herawi (b. Herat, Afghanistan, c. 1952) is a noted musician from Afghanistan. He specializes in the dutar and rubab, both plucked string instruments. Afghan musician Aziz Herawi was seven years of age the first time he heard the strings of the dutar being plucked. He talked one of the family servants, who hid it in a blanket, into buying the instrument for him from a shepherd. The boy would wait until his father was asleep, then sneak into the woods surrounding their home. Alone, in the dark, he practiced, teaching himself to play the long-necked 12-stringed dutar.
Document 2: Fazal Qureshi: Ustad Fazal Qureshi ( born 13 February 1961) is an Indian tabla player. Born to the legendary tabla player Alla Rakha, under the guidance of his Guru and father, with the inspiration drawn from his brother, Zakir Hussain, he has developed a unique style that is distinguished for its fine sense of rhythm, versatility and eloquence. He has expanded his horizons by being involved with other styles of music of the world especially Jazz and Western classical music, and has performed with many well known Jazz musicians. For the last 16 years he has been associated with Mynta, his world music band based in Sweden. They have performed all over the world and have released six immensely popular albums. He teaches tabla to the young talented students in the Ustad AllaRakha Institute of Music near Shivaji Park, Dadar.,
Document 3: Vishwa Mohan Bhatt: Vishwa Mohan Bhatt, also known as V. M. Bhatt (born 27 July 1950), is Grammy-winning Hindustani classical music instrumentalist who plays the Mohan Veena (slide guitar).
Document 4: Sitar: The sitar ( or ; Hindi: सितार Urdu: sitāra ) is a plucked stringed instrument used mainly in Hindustani music and Indian classical music. The instrument is believed to have been derived from the veena, an ancient Indian instrument, which was modified by a Mughal court musician to conform with the tastes of his Mughal patrons and named after a Persian instrument called the setar (meaning "three strings"). The sitar flourished in the 16th and 17th centuries and arrived at its present form in 18th-century India. It derives its distinctive timbre and resonance from sympathetic strings, bridge design, a long hollow neck and a gourd-shaped resonance chamber. In appearance, the sitar is similar to the tanpura, except that it has frets.
Document 5: Noor Zehra: Madam Noor Zehra Kazim is a Pakistani Sagar Veena player. She is the daughter of lawyer and activist Raza Kazim who invented Sagar Veena - a stringed instrument similar to Vichitra veena and Chitra Veena. Together with her father she runs Sanjan Nagar Institute of Philosophy and Arts, and is the only performer of Sagar Veena since its creation in 1971. With a career spanned over four decades, she has performed both domestically and internationally, achieving critical appraisal for instrument, as well as her Indian style of music being a non-Indian.
Document 6: Hurdy-gurdy: The hurdy-gurdy is a stringed instrument that produces sound by a hand crank-turned, rosined wheel rubbing against the strings. The wheel functions much like a violin bow, and single notes played on the instrument sound similar to those of a violin. Melodies are played on a keyboard that presses "tangents"—small wedges, typically made of wood—against one or more of the strings to change their pitch. Like most other acoustic stringed instruments, it has a sound board and hollow cavity to make the vibration of the strings audible.
Document 7: Ali Akbar Khan: Ali Akbar Khan (14 April 192218 June 2009) was a Hindustani classical musician of the Maihar gharana, known for his virtuosity in playing the sarod. Trained as a classical musician and instrumentalist by his father, Allauddin Khan, Khan also composed several classical "ragas" and film scores. He established a music school in Calcutta in 1956, and the Ali Akbar College of Music in 1967, which moved with him to the USA and is now based in San Rafael, California, with a branch in Basel, Switzerland.
Document 8: Johar Ali Khan: Johar Ali Khan is a Classical Indian violinist. He is the son and disciple of the Late Ustad Gohar Ali Khan of Rampur, one of the greatest violin genius. He belongs to the Patiala Gharana of Rampur. He is the only living classical violinist from Patiala Gharana after his father - late Ustatd Gohar Ali Khan. His grandfather was Ustad Ali Baksh, the founder of Patiala Gharana, who has produced a number of great musicians like Bade Fateh Ali Khan, Amanat Ali Khan, Asad Amanat Ali Khan, and Hamid Ali Khan.
Document 9: Veena Music: Veena Music (Oriental Audio Visual Electronics) is a music label based in Rajasthan, India. It is owned by K. C. Maloo and is headquartered at Jaipur. Since its establishment, it has released many albums in Rajasthani and Hindi languages. and has also acquired music rights of many Rajasthani films.Its main aim is to promote true Rajasthani music in today's music scenario of adulaterated, poor and high-noise music. It was established 25 years ago, and has since been an pioneer in fostering Rajasthani music through its albums and various cultural programmes held across the state and abroad.<br> It is a highly successful and well-known music label in Rajasthan.
Document 10: Variax: Variax is the name of a line of guitars developed and marketed by Line 6. They differ from typical electric and acoustic guitars in that internal electronics process the sound from individual strings to "model" (replicate) the sound of specific guitars and other instruments. The maker claims it is the first guitar family that can emulate the tones of other notable electric and acoustic guitars. It also provides a banjo and a sitar tone. The Variax is currently available as an electric guitar, but modeling acoustic guitars and modeling electric bass guitars have been available in the past.
Document 11: Violin: The violin is a wooden string instrument in the violin family. It is the smallest and highest-pitched instrument in the family in regular use. Smaller violin-type instruments are known, including the violino piccolo and the kit violin, but these are virtually unused in the 2010s. The violin typically has four strings tuned in perfect fifths, and is most commonly played by drawing a bow across its strings, though it can also be played by plucking the strings with the fingers (pizzicato). Violins are important instruments in a wide variety of musical genres. They are most prominent in the Western classical tradition and in many varieties of folk music. They are also frequently used in genres of folk including country music and bluegrass music and in jazz. Electric violins are used in some forms of rock music; further, the violin has come to be played in many non-Western music cultures, including Indian music and Iranian music. The violin is sometimes informally called a fiddle, particularly in Irish traditional music and bluegrass, but this nickname is also used regardless of the type of music played on it.
Document 12: Monochord: A monochord, also known as sonometer (see below), is an ancient musical and scientific laboratory instrument, involving one (mono) string (chord). The term "monochord" is sometimes used as the class-name for any musical stringed instrument having only one string and a stick shaped body, also known as musical bows. According to the Hornbostel–Sachs system, string bows are bar zithers (311.1) while monochords are traditionally board zithers (314). The "harmonical canon", or monochord is, at its least, "merely a string having a board under it of exactly the same length, upon which may be delineated the points at which the string must be stopped to give certain notes," allowing comparison.
Document 13: Plucked string instrument: Plucked string instruments are a subcategory of string instruments that are played by plucking the strings. Plucking is a way of pulling and releasing the string in such a way as to give it an impulse that causes the string to vibrate. Plucking can be done with either a finger or a plectrum.
Document 14: Santoor: The santoor is a trapezoid-shaped hammered dulcimer or string musical instrument made of walnut, with seventy-two strings. It is the national musical instrument of Iran, and is also native to Jammu and Kashmir. It dates back to ancient times, and was called "Shatha Tantri Veena" in ancient Sanskrit texts. A primitive ancestor of this type of instrument was used in Mesopotamia (1600-911 BC) and Babylonia.
Document 15: Vichitra veena: The vichitra veena (Sanskrit: विचित्र वीणा is a plucked string instrument used in Hindustani music. It is similar to the Carnatic "gottuvadhyam" (chitra vina). It has no frets and is played with a slide.
ground_truth: Hindustani music