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.
The drum is a percussive musical instrument that is comprised of one or more membranes stretched over a hollow body. Sound is produced by striking the membrane, commonly called the head or skin. Hand drums are a very special type of drum. Hand drums are distinguished from other membranophones by their striker: the hand. Other membranophones produce sound when struck by an object foreign to the drummer.