An inquiry on the experimental poetry scene in Emilia Romagna in the seventies and eighties centered around the figure of Corrado Costa. With interviews with Giulia Niccolai, Aldo Tagliaferri, Amedea Donelli, Rosanna Chiessi, Philip Corner. A cycle of 5 – fifteen minutes long – radio documentaries for the Rai Radio 3 program « Centolire » and a preparatory work for the music of « La Macchina che moltiplica A X 3 » based on poems by Corrado Costa.