Scott Fahlman first suggested the use of the colon with the left parenthesis to iconically represent a frowning face on the internet in what has become a well-known emoticon.
Her best known recording,"My Smile Is Just a Frown (Turned Upside Down)", is featured in the UK-Irish drama-documentary Dreams of a Life, released in December 2011.
Her most famous role, however, although she never achieved name recognition, is probably as the Emerald City manicurist in The Wizard of Oz who sings to Dorothy that "we can make a dimpled smile out of a frown" and, later in the same film, as the woman holding a cat which causes Toto to jump out of the hot air balloon just before it departs leaving Dorothy apparently stranded.