👉 A concertina is a traditional musical instrument used in the United States and Canada, primarily for playing acoustic music. It consists of two strings attached to a wooden frame and can be tuned with a stringed instrument like a guitar or banjo. The strings are typically made of nylon or maple wood and have a slightly resonant quality that helps them vibrate in time with the notes played on the fretboard. The term "concertina" is often used to describe this type of musical instrument, as