13. The optical disk, magnetic storage device or solid state storage device of claim 12 , wherein the instructions further cause the processor to: create a first component in the file comprising a theme indicator; create a second component in the file comprising variants of the theme; and identify a plurality of variants of the theme in the second component.
13. The optical disk, magnetic storage device or solid state storage device of claim 12 , wherein the instructions further cause the processor to: create a first component in the file comprising a theme indicator; create a second component in the file comprising variants of the theme; and identify a plurality of variants of the theme in the second component. 14. The optical disk, magnetic storage device or solid state storage device of claim 13 , wherein there are eight variants of the theme indicated in the second component.