This dialogue is a cover of the introductory verse of “Over the Rainbow” from the theatrical version of The Wizard of Oz, although the verse was omitted from the movie version of the production.
This choice of introductory dialogue is likely no accident as it pays ode to the original singer, Judy Garland who starred as Vicky Lester (synonymous with Gaga’s character, Ally) in the 1954 version of A Star Is Born.
Interestingly, Barba Streisand – who played the leading role in the 1976 version ...
Somewhere Over The Rainbow - Dialogue lyrics
When all the world is a hopeless jumble
And the raindrops tumble all around
Heaven opens a magic lane
When all the clouds darken up the skyway
There's a rainbow highway to be found