Is there a quick way to replicate label assignments to another drive?

I have created 30 label definitions, e.g.:


which I have applied to 600+ directories in a directory tree, e.g.:

Is there a quick and easy way to replicate the label assignments to a copy of the same tree stored on another drive?

BackupMeta can do this.

is there a 'how-to' video?

I don't think there is. If you are unsure about the script's use, try with a few test files and folders.

Alternatively, create a new copy and include the metadata via Preferences / File Operations / Copying Files / Metadata.