Slaves To Substance-Suicide Silence (Vocal Cover) Jul 12, 2015 Cover, Cover Hard Rock, Cover Silence, Sound Of The Rain, Me singing Slaves To Substance :3 I hope you like :D. Like 0 Thanks! You've already liked this « Slaves To Substance Vocal Cover – Suicide Silence » Chance Orr – Suicide Silence – Slaves To Substance Drum Cover