Complex sentence: Stevo went on to sign some of the most important underground, alternative bands of the 1980s, becoming notorious in the way he signed bands, especially with major records labels who knew how important the deal was to them.
Split into simpler sentences: Stevo went on to sign some of the most important underground, alternative bands of the 1980s. Stevo became notorious in the way he signed bands, especially with major records labels who knew how important the deal was to them.