As she sits on the bed recovering from surgery, the little girl begins to sing a lullaby asking God to protect her baby brother.

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Lorca's theory - which many researchers today would agree with - was that a large part of the function of the lullaby is to help a mother vocalise her worries and concerns.

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There are many factors that could threaten the continuation of the lullaby tradition - the array of gadgets to entertain and pacify a crying child, and the increased reliance on technology for communication, for example.

BBC: The universal language of lullabies

One Night could have almost been written by The Carpenters and the groovy All In A Day is a lilting lullaby with the best trad Irish middle eight they've managed to date.

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She advises smokers to make a video of themselves now, reading a children's book or singing a lullaby.

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