From opera buffo Wonders In The Sun or The Kingdom Of The Birds. The Old McDonald Had A Farm-refrain sounds like: "Here a boo, there a boo, everywhere a boo". Came to the US as a minstrel song. Published in 1917 as Old McDougall Had A Farm in song collection Tommy's Tunes.
American Quartet [as Old MacDonald Had A Farm for Victor]
Skillet Lickers [idem]
Dan Russo [idem]
Spike Jones [idem]
Nat King Cole [idem; on King Cole For Kids; credited correctly]
Tony Curtis [idem in film Captain Newman M.D.]
Ella Fitzgerald [idem]
Rufus Thomas [all as Old McDonald Had A Farm]
Ladysmith Black Mambazo [as Old McDonald... Zulu Style]
See also: Knaves Will Be Knaves.