My vote will be BB, as they are my favourite band by a mile. TDG are close, but BB is the outright winner for that affection. However, being that they are both my nominations, I must treat them equally and post songs from each.

Breaking Benjamin
http://www.youtube.com/watch?v=ztJirkY5AMw
http://www.youtube.com/watch?v=ctp9xhqZPWk
http://www.youtube.com/watch?v=DWaB4PXCwFU
http://www.youtube.com/watch?v=yhfmuDkStSY

Three Days Grace
http://www.youtube.com/watch?v=axSgXq8kgAY
http://www.youtube.com/watch?v=tbp9B1Sg1Ds
http://www.youtube.com/watch?v=nC_Z-EPSVaI
http://www.youtube.com/watch?v=Te2xm-KSUnI