Just wanted to underscore that a module or any other keyboard is not a perfect instrument. As with any type of electronic musical equipment there are advantages and disadvantages that have to be considered. Some of us would prefer a keyboard with 76 or 88 key arranger but we decided to settle with a 61 key because of various reasons (like size, weight and cost to name a few). Like wise, the same consideration would be made for getting a module.
Until they make a perfect instrument, (which will be incorporated in my next post), we will always be making equipment and musical compromises.
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TTG