The thing that influenced me most was the way Tommy played his trombone. . . . It was my idea to make my voice work in the same way as a trombone or violin not sounding like them, but playing the voice like those instrumentalists.
Source: In Frank Sinatra, by Nancy Sinatra 1985.
-- Frank Sinatra, (Dec 12 1915-1998), US singer, actor; Ol' Blue Eyes was regarded as the biggest entertainment attraction in the 20th c.; won Oscar, 1953, for From Here to Eternity.