C.S.I. (Consorzio Suonatori Indipendenti) was an Italian band evolved from former punk/art band CCCP Fedeli alla linea. Led by Giovanni Lindo Ferretti and Gianni Maroccolo, it later evolved into the band PGR (Per Grazia Ricevuta). Band's singers are Giovanni Lindo Ferretti and Ginevra di Marco. Amongst the other musician, we have Massimo Zamboni, Gianni Maroccolo, Giorgio Canali and Francesco Magnelli.