Question: what happened to the lead singer of three days grace

title: Three Days Grace
text: On January 9 , 2013 , Three Days Grace announced that Gontier had left the band . The band described Gontier 's departure as being abrupt and unexplained . The departure came just weeks before a co-headlining tour . Gontier explained that he was simply ready to start a new chapter in his life , stating , `` After twenty years of being part of an ever evolving band , I have been inspired by life , to move on and to continue to evolve on my own terms . '' Brad Walst 's brother , Matt ( of My Darkest Days ) , became the band 's new lead singer . 

Answer: answer: On January 9, 2013, Three Days Grace announced that Gontier, a lead singer, had left the band abruptly.  Gontier explained that he was simply ready to start a new chapter in his life, stating, `` After twenty years of being part of an ever evolving band, I have been inspired by life, to move on and to continue to evolve on my own terms.''