The cavaquinho is a small string instrument from Portugal, similar to a ukulele. It has four nylon or gut strings and a bright, cheerful sound, making it popular in traditional Portuguese music and Brazilian styles like samba and choro. Musicians often use it to accompany singing or other instruments, adding a lively rhythm to performances. This instrument is played by strumming or plucking the strings, and it is relatively easy to learn, making it accessible for beginners. The cavaquinho has a rich history and is often associated with cultural celebrations, bringing people together through its joyful melodies.