ACT I
Oh, the Thinks You Can Think!
Cat in the Hat, Boy, Horton, Mr. Mayor, Mrs. Mayor, Gertrude, Mayzie, Sour Kangaroo, General Gengus Khan Schmitz, Ensemble
Horton Hears a Who
Boy/Jojo, Citizens of the Jungle, Bird Girls, Horton
Biggest Blame Fool
Sour Kangaroo, Horton, Wickershams, Bird Girls, Citizens of the Jungle, Cat in the Hat, Gertrude, Mayzie, Yertle
Here On Who
Horton, Mr. Mayor, Mrs. Mayor, Whos, Grinch
Oh the Thinks You Can Think! (Reprise)
Cat in the Hat, Jojo
It's Possible
Jojo, Cat in the Hat, Fish
How to Raise a Child
Mrs. Mayor, Mr. Mayor, General Gengus Khan Schmitz
The Military
General Gengus Khan Schmitz, Cadets, Jojo
Alone in the Universe
Horton, Jojo
The One Feather Tail of Miss Gertrude McFuzz
Gertrude
Amayzing Mayzie
Mayzie, Gertrude, Bird Girls
Amayzing Gertrude
Gertrude, Bird Girls, Cat in the Hat
Monkey Around
Wickershams, Horton
Chasing the Whos
Sour Kangaroo, Bird Girls, Citzens of the Jungle, Horton, Wickershams, Vlad Vladikoff, Whos
How Lucky You Are
Cat in the Hat
Notice Me Horton
Gertrude, Horton
How Lucky You Are
Mayzie, Cat in the Hat
Horton Sits On the Egg
Bird Girls, Horton
How Lucky You Are/ Act 1 Finale
Cat in the Hat, Horton, Gertrude, Jojo, Mayor, Mrs. Mayor, Whos, General Gengus Khan Schmitz, Ensemble
