Instruct: Classify the given Amazon review as either positive or negative.
Query: The First Lady Soprano

This documentary is to remember a great soprano.When you talk about Maria Callas,it's like talking about a costliest gemstone,a jewel.Maria Callas is widely known throughout the World. The best singing actress ever remembered!!!powerful voice,full of vibrations and passions at the same time.Unique and beyond comparisons.Far from the voice,we must look at her also as a person,an artist,the music and a human being like all of us.This entertainment (dvd) contains interviews with some celebrities such as Monserrat Caballe and Renata Tebaldi.Maria left behind one of the most valuable inheritances to mankind in the world story of music.