When he played Macefield some old La's demos, his eldest son jumped onto a windowsill and began singing along.
There are also old demos recorded at the beginning of the band's career, different sessions from before they were signed.
So far they released four studio albums from 1990 to 2002, with the last album being a collection of old demos and B-sides.
Because of this, some old demos and games don't work with it.
Much of the album was made up of old demos that only took two weeks to make.
Some old demos were released that same year under the name Hi-Fi Low Life.
This was a double-CD release of old demos and live recordings from the band's early days.
"Terminal Frost" was one of Gilmour's older demos, which for some time he considered adding lyrics to, but eventually decided to leave as an instrumental.
The old demos were refined and combined with several new songs for I Am the Portuguese Blues.
The album features 14 tracks, five of which are re-released versions of older demos featured on the band's Myspace.