Complex sentence: Forgotten Tomb is an Italian black metal band, formed in Piacenza, Emilia-Romagna in 1999 by Ferdinando "Herr Morbid" Marchisio as a one man project after the disbanding of his previous black metal band Sacrater.
Split into simpler sentences: Forgotten Tomb is an Italian black metal band, originating in the city of Piacenza. It was founded in 1999 by Ferdinando "Herr Morbid" Marchisio as a one man project after the disbanding of his previous black metal band Sacrater.