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.
Ad. The timpani is another type of pitched percussion instrument. Also called the kettle drum, timpani are bowl shaped drums which have a skin stretched over the top. The skin is struck with a large, soft mallet, and the bowl causes the sound to reverberate. Typically, an orchestra has three or four timpani drums.lthough not typically used in orchestras, steel drums are also a type of pitched percussion. A percussion instrument is any instrument that is struck to produce a sound. The piano actually uses felt lined hammers to strike the strings to create a sound.