For All We Know was a post-hardcore band from Grand Rapids/Muskegon, Michigan. They started out in 2006 and released their first EP "Everything's Booming But The Guns" in May of 2006. Booked a bunch of shows and played live. Later they released their EP in 2007 called We're About To Change. Some of the members left in 2009 to form the band Sleeping With Sirens. Members throughout the years: Garreth Grohman - Vocals Kellin Quinn - Vocals (later Sleeping With Sirens) Read more on Last.fm