Angela
my personal interpretation of
published is:
publicly available in print
The
'in print' means on the page and/or other media e.g. the internet - Blurb, on Youtube, on a CD.
The exception to this is if you state that it is a work in progress or make it available in a place that is patently used for unpublished work. E.g. if you publish a poem in the
Buddy Exchange forum then I would argue that it is
not published, even though it is publicly available.
I emphasise this is my personal interpretation. Poetry magazines, competitions, and publishers have their own rules and interpretations.
This is a long way round of saying that reading or making available a poem at workshop would (because it falls into the exceptional case), not in my opinion make it published.