Complex sentence: Grubbs, a former member of Squirrel Bait and Bastro, formed the band in Chicago in 1991, and they released their first album "The Serpentine Similar" in 1993.
Split into simpler sentences: Grubbs, a former member of Squirrel Bait and Bastro, formed the band in Chicago in 1991. They released their first album, "The Serpentine Similar", in 1993.