Gerry Cinnamon concert-goers were forced to walk the train tracks after a DART train broke down in northside.
Fans were heading home after the Scottish musician played Malahide Castle on Sunday night.
Revellers were in for a shock after a train broke down and left them "stranded for hours".
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Commuters said gardai were called to escort them down the train tracks at midnight on Monday.
One disgruntled gig-goer said: "Great craic when you’re trying to get home from Malahide and then everyone has to get off the train and walk the tracks."
Another person said: "The dart service broke down, 12am garda escorted us down the rail tracks, f*****g terrible.
"Gerry Cinnamon you were amazing but Irish Rail you left us stranded in Malahide for hours."
A third person said: "No, I’m not being funny between Dublin airport losing me luggage today and the dart from Malahide breaking down, is Ireland even real?"
Dublin Live has contacted Irish Rail for comment.
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