Conversation so far:
What can you tell me about Celines Voice
She possesses a three-octave range, from B2 to E♭6. She once stated that she is a mezzo-soprano. However, attempts to adapt classical voice types to other forms of singing.
How did Celine Dion train her voice
Does Celine Dion have a unique voice
Yes

Question: What about her timbre
Self-contained rewrite: What about Celine Dion's timbre