"La Commedia" has five parts:
I The City of Dis or The Ship of Fools
II Story From Hell (Racconto dall'Inferno)
IV The Garden of Earthly Delights
V Luce Etterna (Eternal Light)
Parts I and IV are named after Hyeronymus Bosch's paintings.
Hieronymus Bosch, The Garden of Earthly Delights