Dhyāna in Buddhism the Japanese Rinzai school, but it also occurs in other schools or branches of Zen depending on the teaching line. The Zen student's mastery of a given kōan is presented to the teacher in a private interview (referred to in Japanese as "dokusan" (独参), "daisan" (代参), or "sanzen" (参禅)). While there is no unique answer to a kōan, practitioners are expected to demonstrate their understanding of the kōan and of Zen through their responses. The teacher may approve or disapprove of the answer and guide the student in the right direction. The interaction with a Zen teacher is central in
Aeon Zen operatic power metal style singing, all the way to death metal growling. Nothing is out of the question." However, even those critics who believed the band were yet to find their "musical identity", praised the album as a bold statement of intent, particularly given the young age of the musicians. Aeon Zen Aeon Zen are a progressive metal band formed in 2008, led by founding member Rich Hinks. To date, they have been praised and heavily featured in the international music press, labelled by "Classic Rock Magazine" as 'a strong contender for best newcomer at the very, very least' and,