ACT I
Oh The Thinks You Can Think
Full Company
Horton Hears a Who
Cat, Boy, Horton, Bird Girls, Jojo, Jungle Creatures
Biggest Blame Fool
Sour Kangaroo, Young Kangaroo, Horton, Wickersham Brothers, Bird Girls, Jungle Creatures, Gertrude, Mayzie, Cat
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
Full Company
Alone in the Universe
Horton, Jojo
The One Feather Tail of Miss Gertrude McFuzz" / "Amayzing Mayzie
Gertrude, Mayzie, Bird Girls, Cat
Monkey Around" / "Chasing the Whos
Wickersham Brothers, Bird Girls, Horton, Sour Kangaroo, Young Kangaroo, Whos, Vlad Vladikoff
Notice Me, Horton
Gertrude, Horton
How Lucky You Are
Mayzie, The Cat
Horton Sits on the Egg
Horton, Gertrude, Bird Girls, Jungle Creatures
ACT II
Egg, Nest, and Tree
Sour Kangaroo, Horton, Bird Girls, Jungle Creatures, Wickershams
Sold" / "Palm Beach
Horton, Mayzie
Mayzie at the Circus
Mayzie
Amayzing Horton
Mayzie, Horton
Alone in the Universe
Horton
Solla Sollew
Horton, Mr. Mayor, Mrs. Mayor, JoJo, Circus Animals, Bird Girls
Gertrude/Espionage
Gertrude, Horton
