There are at least two bands called "Blindside". 1. Band from Stockholm, Sweden. 2. 90s Straight Edge Hardcore band from Pennsylvania, USA. Members went on to form Stillwater and Atari. 3. Band from Australia (1992 - 1995) that appeared on the Summershine label. 4. Straight Edge hardcore band from Belgium. 1. Blindside is a post-hardcore/alternative rock band from Stockholm. They formed in 1994 as "Underfree" and kept that name for two years before releasing their debut EP in 1996.