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