Instruct: Classify the given Amazon review as either positive or negative.
Query: Grunting chant is a hit!

I bought this because I am a Boyinton fan. I enjoy Gregorian chant, so this fulfills that desire. I do not know how the singers were able to perform this work without giggling, but they take their work seriously. The accompanying book gives the lyrics. Hilarious! The story of life on the farm, with all the animals and very sleepy pigs. A must for fans of Pig Latin!