"북" is the Korean word for "drum." It is a traditional musical instrument commonly used in various forms of Korean music, including folk songs and performances. The drum is often made from wood and animal skin, producing a deep, resonant sound that adds rhythm to music. In Korean culture, the 북 is frequently featured in celebrations and festivals, such as the 농악 (Nongak), which is a type of traditional farmer's music. The drum plays a vital role in creating an energetic atmosphere, encouraging participation and dance among the audience.