What is the name of the song on the ESPN Masters Par 3 commercial - Never seen the sky so blue the birds are singing......Hey Hey Sunny Day?

The song featured in the ESPN Masters Par 3 commercial is "Oh, What a Beautiful Morning" from the musical "Oklahoma!" The lyrics you mentioned, "Never seen the sky so blue, the birds are singing," are reminiscent of the song's optimistic and uplifting themes. The commercial captures the joy and excitement of the Masters Tournament, aligning perfectly with the song's cheerful tone.