This item sings when you press the button on the hand, but then stops when you release it.  Also singing is at a higher pitch than what I think it is supposed to be.

This Gemmy Frosty the Snowman plush toy is the perfect addition to your holiday decor. Measuring at 12 inches, this medium-sized snowman sings and comes with a red nose and hat. Ideal for Christmas, this stuffed animal will bring joy to children and adults alike. The white color and other features make it a great gift for loved ones.