How to Create Matrix keyboard Tunesmith Instruments:
Using the Matxscale library.
By Tim Conrardy

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1.Open Tunesmith.
2.Go to MENU on the bottom of the screen.Select EDIT SCALES.
3.The EDIT SCALES Dialog appears.Click on SELECT SCALE.
A dialog appears that says "select the scale key" This means
for you to select a key on the computer keyboard that you want
a scale to be programmed into. For our purposes, choose the Z key, which will be the first "note" of our Instrument.
4.The scale that the Z key belonged to shows up in the dialog.
5.Select LOAD at the bottom of the dialog. The file selector appears. Go to the folder that contains the MTXSCALE library. The scales are named after the Notes and Octaves they belong to. Choose an appropriate starting note such as C2.SCA.
The Scale loads. You will see C2 in all the scale positions in the dialog.
6.Click on SELECT SCALE again, and choose "X" n the computer keyboard for
the next Scale key . Click on LOAD again and select the next NOTE that you want for your scale (as above)
7.Continue in this fashion for all the Keys on the Computer keyboard. This can include the Numerical keys at the top. 
8.When you are completed, click on OK. You are returned to the Tunesmith main screen. Click on MENU again and select SAVE TUN. The file selector appears for you to save your Tunesmith Instrument. Type in an appropriate name, and click on OK. You have created your first Matrix Keyboard Tunesmith Instrument!
9.Select START, or press the space bar to Start Tunesmith. 
10.PLAY the computer keyboard as if you are playing a real instrument.Adjust the tempo of Tunesmith to an aggreeable tempo.In tapping or playing the computer keyboard you will notice you can play in patterns that you cannot accomplish using a traditional keyboard controller. Experiment in sideways, horizontal and vertical patterns to see how your Scale structure works and to get used to how it sounds.
10.Note: in creating your scale structures, remember you are not limited to traditional scales, but are free to experiment with ANY note for ANY key. the Mapping is up to you.This is a new instrument. The Matrix Keyboard Tunesmith Instrument! Explore!

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