How do I hook up an external hard drive usb to my old laptop computer ethernet connection?

I have an old IBM notebook with only an ethernet connection available. I have a My Book external hard drive full of music that connects via USB. How do I hook up the laptop ethernet to the external drive USB? I want to play the music on the external hard drive while hooked up to the old laptop. My computer... show more I have an old IBM notebook with only an ethernet connection available. I have a My Book external hard drive full of music that connects via USB. How do I hook up the laptop ethernet to the external drive USB? I want to play the music on the external hard drive while hooked up to the old laptop. My computer experience is limited. Thanks.
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