Conversation so far:
What can you tell me about Tarja Turunen's legacy?
Tarja Turunen's voice is described by critics as remarkably powerful and emotional.
What else is said about Tarja Turunen's voice aside from being described by critics as remarkably powerful and emotional?
Sometimes it is stated that Tarja Turunen's voice is too trained or operatic for metal music
What type of style did Tarja Turunen have?
Tarja Turunen had a classical music vocal style that is applied to a metal band

Question: Did anyone of note make any statements about her?
Self-contained rewrite: Did anyone of note make any statements about Tarja Turunen and her legacy?