Puppies that are raised without high exposure to gentle handling, human contact and a wide variety of noises and experiences OR are removed from their dam or litter mates before at least 7 weeks, may exhibit a wide variety of behavioral problems! (flatcoat.com)
Incredibly, it is at this point in your pregnancy term that your baby will begin to hear a variety of noises such as the beating of your heart and the sounds that your stomach makes, as well as your muffled voice. (checkpregnancy.com)
He'll just want to bang on the drum all day as there are three drum pads and a cymbal to make a variety of noises. (thespruce.com)