There's a Great Big Beautiful Tomorrow is the theme song to the prime feature of the GE Pavilion for the 1964 New York World's Fair and what other attraction?
Innoventions at Disneyland
Title: Walt Disney's Carousel of Progress
Passage: Walt Disney's Carousel of Progress is an attraction located at the Magic Kingdom park at the Walt Disney World Resort.  Created by both Walt Disney and WED Enterprises as the prime feature of the General Electric (GE) Pavilion for the 1964 New York World's Fair, the attraction was moved to Tomorrowland at Disneyland in Anaheim, California as Carousel of Progress, remaining there from 1967 until 1973.  It was replaced in Disneyland by America Sings in 1974, and reopened in its present home in Walt Disney World Resort's Magic Kingdom in 1975.
Title: There's a Great Big Beautiful Tomorrow
Passage: "There's a Great Big Beautiful Tomorrow" is the theme song to two Disney attractions, Walt Disney's Carousel of Progress at the Magic Kingdom of Walt Disney World (formerly at Disneyland) and Innoventions at Disneyland.  It was also used in one scene of the Epcot attraction Horizons.
Title: Great Moments with Mr. Lincoln
Passage: Great Moments with Mr. Lincoln is a stage show featuring an Audio-Animatronic version of U.S. President Abraham Lincoln, best known for being presented at Disneyland since 1965.  It was originally showcased as the prime feature of the State of Illinois Pavilion at the 1964 New York World's Fair.  One year after its debut at the World's Fair, the show opened at Disneyland, where it has undergone several changes and periods of hiatus over the years.  Today "Great Moments with Mr. Lincoln" is an element of the Disneyland attraction The Disneyland Story presenting Great Moments with Mr. Lincoln, which opened in 2009.
Walt Disney's Carousel of Progress There's a Great Big Beautiful Tomorrow