instead, he will spend nearly every hour of every day confined to a cell. life for some of the general population inmates offers a little more diversity. as our crew soon discovered. >> we were actually filming in another area of the prison. and we heard some music. it took us over, and there was a heavy metal rock band in a little room rehearsing and playing. and i think that was one of the elements that the staff thought was good for the inmates. to spend time blowing off steam. >> though it's an common sight, we visited american prisons with band rooms as well but one aspect provided the most striking difference of all. >> the eastern european prisons, it was predominantly caucasian inmates. whereas in american prisons, there are a variety of ethnicities, a lot of tensions exist between the ethnicities.