Many of you may enjoy this YouTube of Benny Goodman's 1980 rendition
of "That's a Plenty"...

http://www.youtube.com/watch?v=QJzsV9Mscgk

The sound on that recording is very good.

Another very good rendition is

http://www.youtube.com/watch?v=PHUoShDkgbg

On that one the trombone is a bit clearer. It also features an
extended drum solo (the great Colin Bowden, who my UK driver was
always telling me about)

John