Concert of May 1st in Piazza San Giovanni in Rome. 2023 edition presented by Ambra Angiolini and Biggio. The musical marathon, the only free one left in Europe, had as its theme this year the 1st article of our Constitution entirely dedicated to work. On stage Ligabue, Piero Pelù, Emma, Aurora, Mara Sattei, Coma Cose and many others. Special Guest in opening Leo Gassman and others. In addition to the Confederal Unions CGIL, CSL and UIL, the parents of Lorenzo Parelli, the 18-year-old who died in an accident at work in Lanuzaco (Udine), took part.