ACT I
Oh The Thinks You Can Think
Cat, Jojo, Full Company
Horton Hears a Who
Cat, Jojo, Horton, Bird Girls, Jungle Citizens
Biggest Blame Fool
Sour Kangaroo, Little Kangaroo, Horton, Wickersham Brothers, Bird Girls, Gertrude, Mayzie, Cat, Vlad Vladikoff, Yertle the Turtle
Here on Who
Mayor, Mrs. Mayor, Jojo, Horton, The Whos
How to Raise a Child
Mayor, Mrs. Mayor, Jojo
Oh The Thinks You Can Think (reprise)
Jojo, Ensemble
It's Possible
Jojo, Cat, Fish, Bird Girls
Alone in the Universe
Horton, Jojo
The One Feather Tail of Miss Gertrude McFuzz" / "Amayzing Mayzie
Gertrude, Mayzie, Bird Girls
Amayzing Gertrude
Gertrude, Dr. Dake (Cat), Bird Girls
Monkey Around" / "Chasing the Whos
The Wickershams, Sour Kangaroo, 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
ACT II
Egg, Nest, and Tree
Sour Kangaroo, Horton, Hunters, Bird Girls, Jungle Citizens
Sold" / "Mayzie in Palm Beach
Sour Kangaroo, Horton, Bird Girls, Jungle Citizens, Mayzie, Cat
Mayzie at the Circus
Mayzie, Jungle Citizens
Amayzing Horton
Mayzie, Horton
Alone in the Universe" (Reprise 1)
Horton
Solla Sollew
Horton, Mr. Mayor, Mrs. Mayor, Jojo, Full Company
