IN. SI. DIA are a Thrash Metal act formed in 1987. In 1993 the band entered the PSYCHO studio to record the first full length "Istinto E Rabbia. In 1995 entered the Highlands Studios giving birth "Guarda Dentro Te". The band reaches the pinnacle of it's success and starts touring again for other two years. In 1997 they split up. In November 2016 they recorded the third album, "Denso Inganno".