SwingDJs

http://www.youtube.com/watch?v=Qgj3ETUy-ZU

First 20 seconds before they break out into something that eventually becomes Jumpin' at the Woodside. They yell the word "Savoy" a lot. =)

Thanks!

First part is "Savoy" by Lucky Millinder and His Orchestra (1942)
Second part is "Every Tub" by Count Basie and His Orchestra (1938)

Thanks Trev!