No harm meant/intended Bonni.
Summertime is inevitable, but the song is wonderful, and Lady Ella is wonderful doing it.
If you would prefer something more in sync with our common love (in setting at least), here's Glenn Miller with Tex Beneke doing Chattanooga Choo-Choo, from Sun Valley Seranade. (Back when Uncle Miltie was only Cousin Miltie. - If you know that reference, you're as old as I am!)http://www.youtube.com/watch?v=V2aj0zhXlLA
(Along with another version - can anyone name the dancers?)