The festival program for the 2018 edition will be online before the end of april,
here you can take a look at who was in Pennabilli in the past:

you can browse the first historical sites of Artisti in Piazza

1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2006

… and of course you can go back to the latest years selecting one edition