Music is the arrangement of sound to create some combination of form, harmony, melody, rhythm, or otherwise expressive content.[1][2][3] Music is generally agreed to be a cultural universal that is present in all human societies.[4] Definitions of music vary widely in substance and approach.[5] While scholars agree that music is defined by a small number of specific elements, there is no consensus as to what these necessary elements are.[6] Music is often characterized as a highly versatile medi