#1
this is For The Love Of God by Steve Vai, what do the s mean? (sorry its messed up)

|---------------|-------------------------|------------12s10-7---|
|------------10-|-10s12----(12)-----------|-(12)---------------8-|
|----------7----|-------------------------|----------------------|
|------7s9------|-------------------------|----------------------|
|---------------|-------------------------|----------------------|
|---------------|-------------------------|----------------------|