Ab-Bb-C       

    Ab-Bb-C                                                G

1.                 Isn't that my girl, and is that my best friend ?

                           F                        -  Em

    Aren't they walking much too          close together,

                   F                             Em      - G                   C

    and it don't look like they're talking      about the weather.

                         G                                 C

    I must be seeing things, oh no, it can’t be true,

                         E                                                              - G ~

    I must be hearing things when I hear her say to him.

         C               Am            Ab          

    "I want you, I need you, I love you"

   Ab-Bb-C                                                               G

2.               Looking through a tear, I can see him kissing her,

               F                        -  Em

    and I feel my poor heart           slowly breaking,

                  F               Em  - G               C

    I'd do anything if only       I was mistaken.

                         G                                 C

    I must be seeing things, oh no, it can’t be true,

                         E                                                              - G ~

    I must be hearing things when I hear him say to her.

               C              Am                Ab

    "Forget him, it's over, you're mine now!"

Instrumental = verse 2, lines 1 – 3  

                         G                                      C

    I must be seeing things I thought I'd never see,

                        E                                         Am

    I must be hearing things, you made a fool of me.

                         F                          Fm

    I must be seeing things and hearing things.

             C - Dm                   C - Dm                           C    - Eb – Ab - C

    oh, no,       I need you so !       Oh, please don't go !

    (Gene Pitney)