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Adam Gontier
Adam Gontier
former lead singer and songwriter of Three Days Grace
1
My Darkest Days
My Darkest Days
Canadian rock band
2
Saint Asonia
Saint Asonia
Canadian-American rock band
3
Finger Eleven
Finger Eleven
Canadian rock band
4
Art of Dying
Art of Dying
Canadian rock band
5
Econoline Crush
Econoline Crush
6
Nickelback
Nickelback
Canadian rock band
7
Default
Default
Band
8
Dallas Green
Dallas Green
Canadian musician
9
The Tragically Hip
The Tragically Hip
Canadian rock band
10
Glass Tiger
Glass Tiger
Canadian rock band
11
Sum 41
Sum 41
Canadian rock band
12
Thornley
Thornley
Canadian post-grunge/hard rock band
13
Big Wreck
Big Wreck
band
14
April Wine
April Wine
Canadian rock band
15
Sam Roberts
Sam Roberts
Canadian singer
16
Dallas Smith
Dallas Smith
Canadian musician
17
Down with Webster
Down with Webster
18
Arkells
Arkells
Canadian rock band
19
MercyMe
MercyMe
American contemporary Christian band
20
Blue Rodeo
Blue Rodeo
Canadian band
21
The Tenors
The Tenors
operatic pop vocal group
22
The Glorious Sons
The Glorious Sons
Canadian rock band
23
Moist
Moist
Canadian rock band
24
Daughtry
Daughtry
American rock band
25
The Tea Party
The Tea Party
Canadian rock band
26
The Sheepdogs
The Sheepdogs
Canadian rock band
27
Lights
Lights
Canadian electropop musician
28
OneRepublic
OneRepublic
American pop rock band
29
Thousand Foot Krutch
Thousand Foot Krutch
Canadian rock band
30
The Strumbellas
The Strumbellas
Canadian band
31
Breaking Benjamin
Breaking Benjamin
American rock band
32
Skillet
Skillet
American Christian rock band
33
Matthew Good
Matthew Good
Canadian musician
34
The Trews
The Trews
band
35
Hootie & the Blowfish
Hootie & the Blowfish
American rock band
36
Half Moon Run
Half Moon Run
Canadian indie rock group
37
Of Monsters and Men
Of Monsters and Men
Icelandic band
38
Alanis Morissette
Alanis Morissette
Canadian-American singer-songwriter
39
Anjulie
Anjulie
Canadian musician
40
Matthew Good Band
Matthew Good Band
Canadian alternative rock band
41
Shinedown
Shinedown
American band
42
Hollerado
Hollerado
Canadian rock band
43
Theory of a Deadman
Theory of a Deadman
Canadian rock band
44
Stereos
Stereos
Canadian band
45
Triumph
Triumph
Canadian hard rock power trio
46
The Black Keys
The Black Keys
American rock band
47
Selena Gomez & the Scene
Selena Gomez & the Scene
American pop band
48
Kobra and the Lotus
Kobra and the Lotus
Canadian Hevy Metal Band
49
Hedley
Hedley
Canadian band
50
Deborah Cox
Deborah Cox
Canadian R&B singer-songwriter and actress
51
Rush
Rush
Canadian rock band
52
Corey Hart
Corey Hart
Canadian musician and singer
53
Crash Test Dummies
Crash Test Dummies
Canadian band
54
Trooper
Trooper
Canadian rock band
55
Heart
Heart
American rock band
56
Train
Train
American pop rock band
57
Manic Drive
Manic Drive
Canadian rock band
Members, past and present

Three Days Grace is a Canadian rock band formed in Norwood, Ontario in 1997. The band's original iteration was called "Groundswell" and played in various local Norwood back-yard parties and area establishments from 1993 to 1996.

Based in Toronto, the band's original line-up consisted of guitarist and lead vocalist Adam Gontier, drummer and backing vocalist Neil Sanderson, and bassist Brad Walst. In 2003, Barry Stock was recruited as the band's lead guitarist, making them a four-member band. In 2013, Gontier left the band and was replaced by My Darkest Days' vocalist Matt Walst, who is also the younger brother of Brad Walst.

Currently signed to RCA Records, they have released six studio albums, each at three-year intervals: Three Days Grace in 2003, One-X in 2006, Life Starts Now in 2009, Transit of Venus in 2012, Human in 2015, and Outsider in 2018. The first three albums have been RIAA certified 2x platinum, 3x platinum, and platinum, respectively, in the United States. In Canada, they have been certified by Music Canada as platinum, triple platinum, and double platinum, respectively. The band has had 15 No. 1 songs on the Billboard Hot Mainstream Rock Tracks chart, and three No. 1 hits on Alternative Songs.