Grayscale recruit As It Is guitarist Ben Langford-Biss for onstage collab
Grayscale have been on tour supporting Real Friends over the past couple of weeks and brought out Langford-Biss during their final show on the UK run.
Langford-Biss opted for handling vocal duties instead of strapping on a guitar which a fan caught footage of and posted on Twitter.
For those who don't know, an "Irish goodbye" is when you sneak out of a gathering without saying goodbye to anyone.
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In case you missed it, Langford-Biss took to social media back in September to announce his departure from the band.
You can view the cities and dates for Ben’s farewell tour below.
What do you think of former As It Is guitarist Ben Langford joining Grayscale on stage? Let us know your thoughts in the comments below.