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.
1 hourglass drum. 2  idiophone â An idiophone is a musical instrument which creates sound by the instrument as a whole vibrating without the use of strings or membranes. 3  janggu â The janggu or janggo is a double-headed hourglass shaped drum which is the most widely used drum used in the traditional music of Korea.