Listen to Oklahoma!: Oh, What a Beautiful Mornin' online. Oklahoma!: Oh, What a Beautiful Mornin' is an English language song and is sung by Czech Symphony Orchestra, John Landor and Richard Halton. Oklahoma!: Oh, What a Beautiful Mornin', from the album Classical Pops Concert: The Best of Broadway and Opera!, was released in the year 2019. The duration of the song is 2:53. Download English songs online from JioSaavn.