Childhood's End

The piece of music played at the end of 'Childhood's End' is Ralph Vaughn William's 'The Lark Ascending'.

'Childhood's End' is a 1953 science fiction novel by the British author Arthur C. Clarke.

The music heard on the Stormgrens' radio is all from the 1950s, the decade when the novel 'Childhood's End' was published.