John: When one learns on the 20-button Anglo and then moves to the bandoneon are you speaking of all bandoneons or particular ones? I am just getting started and wondering if all bandoneons have the same 20-button pattern.
<<So if you friend wants a training instrument, I'd suggest a 20-button Anglo. She'll get the hang of the push-pull scales, but she won't have to unlearn anything when she moves to the Bandoneon proper.
Hope this helps,
Cheers,
John
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