Circuits is a progressive metal piece with so many different riffs and sequences. If you're looking for royalty free progressive metal, I think you're guaranteed to find what you're looking for somewhere in this track. Everything is improvised "on-the-go" and there's no legitimate story here. Just a long line of awesome, heavy riffs ready to blow your mind. Circuits is a progressive metal piece with so many different riffs and sequences. If you're looking for royalty free progressive metal, I think you're guaranteed to find what you're looking for somewhere in this track. Everything is improvised "on-the-go" and there's no legitimate story here. Just a long line of awesome, heavy riffs ready to blow your mind.
