 "Una storia sbagliata" (literally "A wrong story", but also translatable as "A story in error" or "A story full of mistakes") is an impassioned folk rock song in time, set at a "lento" (= slow) tempo of about 57 BPM (in tuplets).It features an arrangement led by layered acoustic and electric strummed guitars, and mostly sung in close harmony by De André and co-writer Bubola.Written on a commission from RAI as an end-credits song for the 1980 documentary "Dietro il processo" ("Behind the trial") by journalist Franco Biancacci, it is a topical song about the mysterious, unsolved 1975 murder of writer, poet and film director Pier Paolo Pasolini.