Todd-AO Vs. Cinemascope
A notable difference between the mono and stereo versions of the Capitol album is that the Cinemascope version of the film was used in the making of the mono version, while the Todd-AO version was used for the stereophonic release. Although the singing is the same in both, different inflections are noticeable in the brief spoken dialogue retained on the album, for instance, in the spoken portion of the song Pore Jud Is Daid.
Read more about this topic: Oklahoma! (soundtrack)