Adam Gontier is best known as the lead singer and main songwriter of Canadian rock band, 3 Days Grace. Although he left the band in 2013, he was with them from the time of their formation in 1997. Gontier was later replaced by My Darkest Days’ singer Matt Walst who is the brother of the band’s bassist Brad Walst.
3 Days Grace have released a total of 5 studio albums, with their first 3 going on to be certified platinum, triple-platinum and gold, respectively by the RIAA. Additionally, they have enjoyed a string of number one songs on the Billboard Alternative Songs and Hot Mainstream Rock Tracks charts.