People
listened
to
music
at
____________________
and
in
churches
.
____________________
played
music
and
people
sang
in
____________________
.
Years
later
,
people
listened
to
the
radio
and
to
____________________
on
____________________
players
at
home
.
They
listened
to
____________________
on
a
walkman
.
Then
people
listened
to
CDs
.
Now
we
listen
to
music
in
digital
form
on
____________________
,
mobile
phones
and
tablets
.
