Per discogs, this seems to be a 2018 Spanish pressing of a bootleg that first appeared in the UK in 2006. Track A6 is listed just as “Boys” before being renamed “Boys Say Go!” on the album Speak & Spell.
Someone’s uploaded it to YouTube:
You can listed to (and download) a soundboard at dm/live of the same show with better sound.
Croc’s became The Pink Toothbrush and still operates on the same spot.
I picked up my copy on a whim in Reykjavík at Geisladiskabúð Valda.