<Li> Silvertongue, the lawyer in Hogarth's prints Marriage à - la - mode </Li> <Li> Silvertongue, a nickname for Mortimer Folchart in Cornelia Funke's Inkheart trilogy </Li> <Li> Silvertongue, the surname earned by Lyra Belacqua in Philip Pullman's His Dark Materials </Li> <P> In music: </P>

Where does the phrase silver tongue come from