List of bands (27):

Slash f. M. Kennedy & The Conspirators
Slave Keeper
Slayer
Slimelord
Slipknot
Slow Fall
Snowblind
Sodom
Soen
Soilwork
Sokołowski
Soldiers of Rage
Sons of Apollo
Sophie Lloyd
Soul Cremation
Soulfly
Species
Spin Doctors
Spinne
Spiritbox