Kettle drums are percussion instruments that consist of a skin stretched over a bowl-shaped shell. They are typically played with mallets or sticks and produce a deep, resonant sound. Kettle drums are often used in orchestral and military music.
Steel drums are percussion instruments that are made from 55-gallon steel oil drums. They are played by striking the dents and ridges on the drum with mallets. Steel drums produce a variety of sounds, from high-pitched tinkles to low-pitched booms. They are often used in Caribbean music.