The балалайка is a traditional Russian stringed musical instrument known for its triangular body and three strings. It is played by plucking or strumming the strings with the fingers or a plectrum. The instrument comes in various sizes, including the prima, secunda, and bass, each producing different pitches. Originating in Russia, the балалайка has a rich history and is often associated with Russian folk music. It is commonly used in ensembles and can accompany singing and dancing. The instrument's unique sound and shape make it a distinctive part of Russian culture and music.