Which heavy metal band, in your opinion, has the most impressive musicianship? What is it about their playing that stands out to you?

For me, it's got to be Dream Theater. Their technical precision is insane, with mind-blowing time signatures and intricate solos that push the limits of what musicians can do. Every member of the band is a virtuoso, and they bring a level of complexity and skill that you don't see in most other metal bands.