B system CBA

[Dingo40]

I followed up a hint in a recent post by Midiot and found this.
For all you B system CBA players:

daddy long les b system accordion primer - Google Zoeken

 

[Ffingers]

I found that to be very useful at the beginning; sorting out the where and hows of what initially appears to be a lot more complicated than it actually is.
Now - I need a 'box' similar to the one which he was demonsrating on.

 

[dunlustin]

Also for B system:

Playing with the button accordion