For macOS 10.10 and later only. This applet will parse the text of the chosen tag (Artist, Album Artist, Composer or one of their Sort siblings) of a selection of tracks:
Move the LAST word of the tag to the beginning, eg:
OR Move the FIRST word of the tag to the end, eg:
Then, the newly configured text can be copied back to your choice of Artist, Album Artist, Composer, Sort Artist, Sort Album Artist and/or Sort Composer tag(s).
Select some tracks and launch; choose the format (here, "Move last word to front of tag" is chosen); then choose which tags get the edited text.
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