Act1
Oh The Thinks You Can Think
Cat, Boy
Horton Hears a Who
Cat, Boy, Horton, Bird Girls, Jungle Creatures
Biggest Blame Fool
Sour Kangaroo, Young Kangaroos, Horton, Wickersham Brothers, Bird Girls, Jungle Creatures, Gertrude, Mayzie, Cat, Things
Here on Who
Mayor, Mrs. Mayor, JoJo, Horton, The Whos
How to Raise a Child
Mayor, Mrs. Mayor
Oh The Thinks You Can Think (reprise)
Cat, Jojo
It's Possible
Jojo,Cat, Things, Chorus
Alone in the Universe
Horton, Jojo
The One Feather Tail of Miss Gertrude McFuzz" / "Amayzing Mayzie
Gertrude, Mayzie, Bird Girls
Amayzing Gertrude
Gertrude, Bird Girls, Cat
Monkey Around" / "Chasing the Whos
The Wickershams, Sour Kangaroo, Young Kangaroos, Cat, Horton, Bird Girls, Jungle Citizens, Whos
Notice Me, Horton
Gertrude, Horton
How Lucky You Are
Mayzie, Cat
Mayzie's Exit" / "Horton Sits on the Egg" / "Dilemma" / "Hunters
Horton, Gertrude, Bird Girls
Egg, Nest, and Tree
Sour Kangaroo, Toung Kangaroos, Horton, Hunters, Bird Girls, Jungle Citizens
Sold" / "Mayzie in Palm Beach
Company, Mayzie, Cat
Mayzie at the Circus
Mayzie
Amayzing Horton
Mayzie, Horton
Alone in the Universe" (Reprise 1)
Horton
Solla Sollew
Horton, Circus Animals, Major, Mrs. Major, Jojo
Gertrude/Espionage
Gertrude
All for You
Gertrude, Bird Girls, Cat
The Whos Return" / "The People Versus Horton the Elephant
Company
