Oh What A Beautiful Morning – From the movie; "Oklahoma"
https://www.youtube.com/watch?v=21-KOpdwySw
I’ve submitter this song in “C” because it’s easier to play.
This is the way I play it.
(You can remove some of the chords, or transpose; if you wish) 
Intro:  C            G7       C
V1
C                Dm C   Dm   Em F   Em G    G7
There's a bright golden haze on the meadow!
C                Dm C   Dm   Em F   Em  C
There's a bright golden haze on the meadow!
C   Em   Dm C  Dm   Em F  G F  C     Am
The corn is as high as an elephant's eye
       G
And it looks like it's climbin' clear up to the sky!
Chorus:
C   Em     C     Em  F  G     C   Em     C     Em  G7
Oh, what a beautiful mornin'! Oh, what a beautiful day!
C    Em    C     Em  G7 Am7   C    Em      G7       C
I've got a beautiful feelin', everything's goin' my way!
V2
C              Dm C   Dm    Em  F    Em G    G7
All the sounds of the earth are like music!
C              Dm C   Dm    Em  F    Em C
All the sounds of the earth are like music!
C   Em     Dm C  Dm    Em F     G  F  C Am
The breeze is so busy, it don't mi-ss a tree,
       G
And an old weepin' willow is laughin' at me!
C   Em     C     Em  F  G     C   Em     C     Em  G7
Oh, what a beautiful mornin'! Oh, what a beautiful day!
C    Em    C     Em  G7 Am7   C    Em      G7       C
I've got a beautiful feelin', everything's goin' my way!
Outro:
C   G    Em  G7  F  Dm7 C
Oh, what a   beauty-ful day!    (Slowing)