Watch Broadway legend Donna Murphy spark an impromptu performance of "Mother Knows Best" from Disney's Tangled with Alan Menken at the piano. To celebrate the 30th anniversary of The Little Mermaid, the new home media rerelease boasts a collection of brand new bonus features including a sit down interview with songwriter extraordinaire Alan Menken and his leading ladies - Jodi Benson (Ariel), Paige O'Hara (Belle), Judy Kuhn (the singing voice for Pocahontas), Lillias White (Calliope in the anima