Popularly
known
as
the
bayan,
the
chromatic
accordion
is
a
new
version
of
the
classic
accordion.
Invented
in
the
19th
century,
since
then
it
has
achieved
a
lot
of
acceptance
from
the
people
worldwide.
The
reason
why
it
is
set
up,
so
that
a
single
fingering
pattern
will
work
for
any
type
of
key.
Nowadays,
you
