EastEnders' editing team have revealed they have to play a guessing game about what new music is destined to become a hit.
Jennie Harris, EastEnders' post production and music co-ordinator, told the BBC soap's official website, that she has to predict chart-topping hits months before they happen, when putting background music on the show.
Jennie explained: "We are filming eight weeks in advance, so when you're putting music down, we have to try and anticipate what is likely to be in the charts, or big around that time.
"Obviously it's a challenge to try and make sure everything is as up-to-date and relevant as possible. I think people underestimate how much music is in EastEnders. We're looking at about 75 instances over the course of four episodes. A lot of people don't even notice the music, but they would notice if it wasn't there."
Music can often be heard playing in the Queen Vic pub, or in the cafe where they have the radio on, so the music has to sound like the chart hits for that week.
Another member of the editing team also revealed how little touches of background noise the viewers might not even notice, help to bring the show to life.
"A scene in someone's sitting room during the day, you wouldn't be drawn towards putting effects on that, but when you do put a bit of market on it, the sound of The Square; it's just lovely. You start to believe that there is a market outside that window."
