Hi Group, In 090429 MMDigest Bob Oppenheim asked about the scale
of the 72-key Decap dance hall organ.  In "Golden Age of Automatic
Musical Instruments" by Reblitz you will find the following scale --

Decap 72-key books
265 mm (10-7/16" wide)

 8 Bass notes
 9 Accompaniment notes
16 Melody notes
16 Countermelody notes

1-8 bass notes: C D E F G A A# B
9-17 Accompaniment notes: F G, A-D, E
18-33 Countermelody notes: E-G
34-49 Melody notes: C-D, E
50 General cancel
51 Violin on (melody division)
52 Jazz flute on (melody division)
53 Vibratone on (melody division)
54 Vox celeste (countermelody division)
55 Saxophone on (countermelody division)
56 Accordion on
57 Bass drum
58 Hi-hat cymbal
60 Maraca
61 Snare drum
62-65 Temple blocks
66 Cymbal
67 Tom-tom
68 Jazz tremolo on
69 Tom-tom
70 Alto vibratone on (countermelody division)
71 Wood block
72 Shutoff

Jack M. Conway, Los Angeles, California, USA

 [ Many tracker scales and key frame layouts are included in
 [ "The Golden Age of Automatic Musical Instruments," copyright 2001
 [ by Arthur A. Reblitz, and in "Treasures of Mechanical Music,"
 [ copyright 1981 by Arthur A. Reblitz and Q. David Bowers.
 [ -- Robbie