Also the title of a 1947 film about songwriter Joseph Howard, who sang it first in the musical The Prince Of Tonight in Chicago (1909). When that film hit, Harold Orlob, an ex-collaborator with Howard, went to court and is recognised as co-author ever since.
Henry Burr was a Canadian tenor in the pioneer years of recording history, tipified with sacharine sweet ballads. He was a member of the Peerless Quartet between 1906 and 1928 and recorded some 12.000 sides. That's more than anyone else in music history. Joel Whitburn ranks him n°1 over the first three decades of the 20th century in his compendium A Century Of Pop Music (Record Research). See also: Peg O' My Heart, The Trail Of The Lonesome Pine and Let Me Call You Sweetheart.