What does Medical JIA stand for? Hop on to get the meaning of JIA. The Medical Acronym /Abbreviation/Slang JIA means Juvenile Idiopathic Arthritis. by AcronymAndSlang.com
Staff (music) In standard Western musical notation, the staff, or stave, [1] is a set of five horizontal lines and four spaces that each represent a different musical pitchâor, in the case of a percussion staff, different percussion instruments.
head chart. [English] A slang expression, primarily in jazz, that refers to a performance of a composition where there is either no written music (performed from memory or from their heads) or where the performers use a fake book to provide the written melody and chord progression.