Life with 'The Voice': Pictures of Frank Sinatra in 1965

Frank Sinatra and his dog, Ringo, at Sinatra's home in Palm Springs, California, in 1965. (LIFE.com) (LIFE.com)

Frank Sinatra watches Frank Jr., 21, emcee a TV show. (LIFE.com) (LIFE.com)

In Miami, Sinatra falls off his chair howling at a joke told by Joe E. Lewis. (LIFE.com) (LIFE.com)

Frank Sinatra in rehearsal, 1965. (LIFE.com) (LIFE.com)

Going blank while rehearsing for a nightclub, Sinatra tries to remember the lyric. (LIFE.com) (LIFE.com)