This script simply deletes the lyrics from the selected tracks. Assign it a keyboard shortcut.
To delete the lyrics of every track in the Music playlist see Delete All Lyrics.
Does not affect Lyrics provided by Apple (iTunes 12.5 and later); this data is inaccessible.
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Delete characters from the beginning or ending of selected tracks' name, artist, album, comments, composer, or show tags
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Create a playlist for each entry of a specified tag
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Exports and then re-imports selected tracks' artwork