Chris:

Nancy Fratti at Panchronia Antiquities  has many many different
recordings of mechanical music including band organs, barrel organs,
clock organs, disc and cylinder music boxes, gem roller organs, etc.
Her recordings come on both cassette and cd.

Her mailing address is:
                             Nancy Fratti
                             Panchronia Antiquities
                             Rt. 4, P.O. Box 210
                             Whitehall, NY  12887-0210

                             512-282-9770 voice
                             512-282-9800 fax

Jack Kane, Houston, TX