Trying to install 'ffprobe'

I'm trying to install 'node-red-contrib-ffprobe' on a RPi-3B and keep getting this warning message.
Has anyone managed to install this node and got it working?

I'm hoping to collect the metadata from an audio track (file on my RPi).

Thanks for reading this.

Welcome to Node-RED

22 Nov 13:56:26 - [info] Node-RED version: v1.0.2
22 Nov 13:56:26 - [info] Node.js version: v8.16.0
22 Nov 13:56:26 - [info] Linux 4.9.35-v7+ arm LE
22 Nov 13:56:27 - [info] Loading palette nodes
22 Nov 13:56:38 - [info] Worldmap version 2.1.6
22 Nov 13:56:39 - [info] Dashboard version 2.17.1 started at /ui
22 Nov 13:56:41 - [warn] ------------------------------------------------------
22 Nov 13:56:41 - [warn] [node-red-contrib-ffprobe/ffprobe] Error: Cannot find module 'ffprobe' (line:4)
22 Nov 13:56:41 - [warn] ------------------------------------------------------
22 Nov 13:56:41 - [info] Settings file : /home/pi/.node-red/settings.js
22 Nov 13:56:41 - [info] HTTP Static : /home/pi/.node-red/public
22 Nov 13:56:41 - [info] Context store : 'default' [module=memory]
22 Nov 13:56:41 - [info] User directory : /home/pi/.node-red
22 Nov 13:56:41 - [info] Server now running at http://127.0.0.1:1880/
22 Nov 13:56:41 - [info] Active project : Christmas_Project
22 Nov 13:56:41 - [info] Flows file : /home/pi/.node-red/projects/Christmas_Project/flow.json
22 Nov 13:56:41 - [info] Starting flows
22 Nov 13:56:42 - [info] Started flows

Did you install the prereq’s ffprobe ffprobe-static ?