If you listen very, very closely to Tom Meijer's arrangement of
"K-K-K Katy" from roll 14510, you can hear almost hear the word
"Whoopee" or "Yippee" spoken by the wood trumpets at the start of
each verse.  It almost sounds like as if the band organ is talking
to you!

  https://www.youtube.com/watch?v=F43bw-fvoRw 

Andrew Lardieri
Voorhees, New Jersey