Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Boris Karloff in a Musical Comedy? Love it!

"Mad Monster Party" is an early Rankin-Bass production, and it shows. While the stop-motion photography is a bit jerky in spots, it does not detract from the film but seems to make it that much more endearing. There are two famous voices in this film: Boris Karloff and Phyllis Diller. Karloff voices the old mad scientist who wants to retire, and Diller is the wife of the Monster, whom she calls, naturally, "Fang." When she learns that Dr. Frankenstein (Karloff) plans to will the whole shebang to his nephew Felix, she and the rest of the gang plot to kill Felix and get everything for themselves.As I've noted, the motion is sometimes a bit jerky, but somehow that does not detract from the film in a bad way. The voicing is excellent, and even Boris gets to do a number, though he talks it more than sings it. Still, it's a great flick and I still love it as I did years ago.