Simplify the following text for a Grade 4 native English-speaking person.
Original: à 3\/4 à , Bengali : à à à à 3\/4 à , , Persian : Ø Û â Ø Ø Ø ) is a plucked stringed instrument predominantly used in Hindustani classical music , where it has been ubiquitous since the Middle Ages .
Simplified: à 3\/4 à , Urdu : Ø Ø Ø Ø ) is a plucked string instrument .