Gusle is a special musical instrument from Serbia that is played by plucking a string while singing or reciting a song. Think of it like a guitar, but with only one string and a bow instead of fingers. The shape of the gusle is also different - it's like a bowl with a long neck and a carved head on top.
People who play the gusle usually sing or tell stories about brave heroes or historical events. It's a very important tradition in Serbian culture because it helps keep their history and legends alive.
To play the gusle, you hold it on your lap, place the bow on the string, and move the bow back and forth while singing or reciting. It can be difficult to play because you have to be really good at both the singing/reciting and the bowing.
Some people also decorate their gusle with colorful designs or carvings to make them even more beautiful. It's a very special and unique instrument that brings a lot of pride to Serbian people.