Tool’s greatest breakthrough was to introduce dark, vaguely underground metal
to the pretentious attitude of modern day rock. The band delivered eerie hooks
and submersive yet powerful lead components to create a new sense of music
that for the most part was unheard of until their debut. Lead singer Maynard
James Keenan is also the voice behind A Perfect Circle, now with former Smashing
Pumpkins member James Iha on lead guitar.
For this riff, you will be working with a few hammer-ons with both the guitar
and the bass.
Here is what the riff sounds like with both guitar and bass: