Three Day Grace is a band of four, the member players are Adam Gonlir, Neil Sanderson, Brad Walst and Barry Stocks. Adam Gonlir spend time in rehab,after successful treatment he emerged writing songs about how he felt. Neil Sandson learnt piano before he started school.He liked music and started to work towards his dream and learn other instruments along the way. Bard Walst was the co-founder of Three Day Grace.He is the bass guitarist in the band. Barrry Stocks join the band shortly after the first album and is now the lead guitarist in the band.