When it first aired in 2007, Outnumbered finally allowed viewers to see children on television really being children (hitting each other, lying, being naturally witty, shouting “Dad attacked that lady” in public), while ruthlessly exploiting the child’s unerring ability to say aloud what we’re really thinking, whether it's about terrorism (“What other religions have blown up planes, Mummy?”) or other cultural hot potatoes.

There are occasional days when the Royal Festival Hall really feels like the people's palace it was always meant to be – and yesterday, with its free concert of live improvisation mixed with dubstep and electronica in the RFH bar, was absolutely one of them. Rave kids, pensioners, parents with babes in arms and some particularly energetic school-age children all proved that given the right context music the border between “challenging” music and entertainment is more porous than some might like to believe.