Q:Information: - Ukrainian folk music includes a number of varieties of traditional, folkloric, folk-inspired popular and folk-inspired classical traditions. - String instruments, stringed instruments, or chordophones are musical instruments that produce sound from vibrating strings when the performer plays or sounds the strings in some manner. - A bandura ( Ukrainian : ) is a Ukrainian , plucked string , folk instrument . It combines elements of the zither and lute and , up until the 1940s , was also often referred to by the term kobza . Early instruments ( c. 1700 ) had 5 to 12 strings . In the 20th century , the number of strings increased initially to 31 strings , and up to 68 strings on chromaticised ' concert ' instruments . Musicians who play the bandura are referred to as bandurists . Some traditional bandura players , often blind , were referred to as kobzars . - The mandora or gallichon is a type of 18th- and early 19th-century lute, with six to nine courses of strings. The terms were interchangeable, with "mandora" common in Northern Italy and Central Europe, and "gallichon" in Germany. - HornbostelSachs or SachsHornbostel is a system of musical instrument classification devised by Erich Moritz von Hornbostel and Curt Sachs, and first published in the "Zeitschrift fur Ethnologie" in 1914. An English translation was published in the "Galpin Society Journal" in 1961. It is the most widely used system for classifying musical instruments by ethnomusicologists and organologists (people who study musical instruments). The system was updated in 2011 as part of the work of the Musical Instrument Museums Online (MIMO) Project. - A fret is a raised element on the neck of a stringed instrument. Frets usually extend across the full width of the neck. On most modern western fretted instruments, frets are metal strips inserted into the fingerboard. On some historical instruments and non-European instruments, frets are made of pieces of string tied around the neck. - Lute can refer generally to any string instrument having the strings running in a plane parallel to the sound table (in the HornbostelSachs system), more specifically to any plucked string instrument with a neck (either fretted or unfretted) and a deep round back, or more specifically to an instrument from the family of European lutes. - The kobza is a Ukrainian folk music instrument of the lute family (Hornbostel-Sachs classification number 321.321-5+6), a relative of the Central European mandora. The term kobza however, has also been applied to a number of other Eastern European instruments distinct from the Ukrainian kobza. - Zither (or ) is a class of stringed instruments. What entity does 'bandura' has the relation 'subclass of' with?
A:
plucked string instrument