She is an acclaimed lyricist and author, whose much-anticipated fourth book is about to be published.
They have been married – happily so – for more than 20 years, and divide their time between this vast six-storey stucco mansion, a rambling farmhouse in the Sussex countryside and a mews house in London.
television interview was his wife and collaborator Polly Samson, and the two spoke about the songwriting process, Richard Wright's death and the end of Pink Floyd.
"You have this idea that there are millions, literally, of people listening to it at the same time as you and that little strange telepathy of a feeling that you're sharing something live with all those people." Samson, who penned the words for five of 's 10 tracks, detailed how she developed the lyrics for the LP's songs.
Gilmour, 21, was sent to Wandsworth Prison last month after admitting violent disorder.
His parents are considering an appeal against the length of his sentence – which has triggered a debate over its apparent severity relative to the soft punishments often handed out for far worse offences.
"I walk for miles with [the track] on repeat in my headphones ...
But the more I walk with it and the more I listen to it, things just start emerging," Samson said. I mean, David speaks with the guitar." Samson, who first contributed lyrics to 1994's features "A Boat Lies Waiting," a tribute to late Pink Floyd keyboardist Richard Wright, who passed away in September 2008.
Charlie is said to have gone on a drink and drugs binge after being rejected by his natural father, poet Heathcote Williams.
Williams had an affair with Miss Samson which led to the birth of Charlie, who was adopted by Mr Gilmour.
‘If you were to ask David, he would say the one thing about me that he finds most frustrating is that I can’t completely let go and just enjoy my life,’ she concedes with a wry smile.
It is 10am and as I settle with Polly in the sitting room of their spectacular seafront home in Hove, near Brighton, I find myself thinking that David has a point.
Miss Samson then added: ‘This generation will be so alienated and they’re the ones who will be paying for our dotage.’ Yesterday she said hate mail has been sent to the home she shares with Dave Gilmour, 65, and their other sons Joe, 16, Gabriel, 14 and daughter Romany, nine.