Thall is a subgenre of progressive metal that is characterized by its heavy use of seven- and eight-string guitars, as well as its complex and intricate rhythms. It is often associated with bands like Periphery, Animals as Leaders, and Tesseract. Thall is a genre that is constantly evolving, with musicians pushing the boundaries of what is possible on their instruments. Fans of heavy, technical music will find a lot to love in thall.