Rapunzel's tower can be seen near the Germany Pavilion in Epcot for the fleur and Garden Festival. Rapunzel can be heard chant from inside, and her hair glows. The windows also open and close.
Jodi Benson, voice of Ariel, obliged a room full of women in social media at the Walt Disney Studios in California par chant 'Part of Your World' a cappella. It was amazing.