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Hi, my name is Paul Becker and I'm here to talk to you about accordions today on behalf
of Expert Village. Now we will talk about the bass machine and there are several bass
machines but the most common by far is this standardbas bass and the standardbas bass
is a great piece of 19th century engineering that allows you to play with 1 button many
notes at once. You see the inside of the bass machine we look just like the travel machine
is that there are 3 blocks containing in this case larger because it bass reeds. But on
the other side rather than controlling single holes that open up we have this incredible
systems of cams, rippers and rods and when you push one button down it pushes this cylinder
around that has all these little cams that ultimately opens up 2 or 3 notes on this side
at a time. It allows you with one button to play a chord.