1 Examples of viral infections include, mumps or hepatitis B. 2  Some autoimmune conditions-such as lupus, or Sjogren's syndrome. 3  Injury to the pancreas. 4  Idiopathic-about 15% of all cases of acute pancreatitis are termed idiopathic pancreatitis.
Large, heavy drums produce low-pitched sounds that often are used to drive the rhythm of different songs. The timpani and pitched bass drums found in marching bands and orchestras are among the most common types of oversize drum. The taiko -- literally meaning âbig fat drumâ -- is a large double-headed oversize drum used in traditional Japanese music.
Across the world, cultures carve drums out of wood, sculpt them out of clay, hammer them out of metal, or mold them out of plastic. The kinds of drums that exist vary as infinitely as the people who use them for communication, ritual, or entertainment. A common, easy way to classify drums types is by their shape. Most drums fall into the following categories: cylindrical, barrel, conga, waisted, goblet, or bowl. A frame drum, with its squat hoop, and a long drum, which is thin and tall, are both the cylindrical variety.