[7:46]The tune played by the Old-bean seller is the same as the one sung at [16:20] when the beanstalk starts growing.
It's estimated that an egg displaces 68 cubic centimeters (cc). Gold has a density of 19.32 g/cm. So a solid gold would weigh 1.314Kg (2.89 pounds/2 pounds, 14 ounces). So the value of one of the golden goose's eggs could be estimated by multiplying the price (which is given in cost per ounce) of gold times 46.1 ounces.
[19:30]The music played when the owl flies down chasing the little mouse sounds quite a bit like Megadeth's "Angry Again" song played in the opening credits to Jack Slater 2, the movie within Last Action Hero (1993).
The characters have all five fingers instead of the usual four, which, ironically is a standard set by Walt Disney when he created Mickey Mouse.