Hayley Westenra's Royal baby Lullaby
Hayley Westenra's latest album includes her versions of Twinkle Twinkle Little Star and Goodnight My Angel, among others.
She's also dedicated one track to the Duke and Duchess of Cambridge's imminent arrival.
Westenra spoke to BBC Breakfast about the song which is part of her new album Hushabye Mountain.
Music video courtesy of Decca Records