"(I Don't Know Why) But I Do" Bridge

                       Bb7                         Eb                                                                                                  Bb

                     My days have been so lonely, my nights have been so blue,

Bb:  V⁷/IV          IV                                                  I

        C7                                                                                                         F7

I don’t know how I stand it, but I do

V⁷/V                                                  V⁷