I'm looking for someone who currently has a working flow that plays an mp3 file.
Not someone with a friend who says they can. Someone that has one 
Not with MINT but .... But on my Pi I am running Buster.
I use omxplayer in an exec node.
Where are you expecting the sound to come out? At the browser, a Linux desktop or a Linux server?
What a chump I am
Was trying to run the flow from a node-red instance running on a Pi - no wonder it couldn't find the file on my Linux Mint desktop
All working now
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To be a Chump is normal!
To admit it is wonderful!
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