Three Days Grace is a alternative metal/hard rock band formed in 1997 from Canada. They originally were in a band called 'Groundswell' and released one album under that name, 'Wave of Popular Feeling' in 1995. They later re-grouped as Three Days Grace. They have released four studio albums and the first three have all been certified platinum in the US. (Biography written by Unitron on August 7th, 2014)