we want to create a groundbreaking, amazing and effective single work...
Go to Action, start a new thread. give instructions that each contribution will be considered for the publication, there are no guarantees. If someone posts "poo poo ca ca" you don't have to inlcude that thread, but you could just choose some of the most compelling pieces, enough to keep the clarity of the stream in focus.
...that the powerful play goes on
and you may contribute a verse
but what will your verse be...?
you could do several experiments, say once a week, and see which one gets the best results.