Archival performances of Perry Como, Bing Crosby, Dean Martin and Frank Sinatra are featured. Crosby and Sinatra team on"Witchcraft," "South of the Border," "Mexicali Rose," "I Love Paris" and, with Bob Hope, "The Road to Morocco"; and with Louis Armstrong for "Now You Has Jazz." Also: Dean Martin sings "That's Amore," "Oh Marie" and "Mambo Italiano" and has fun with Jerry Lewis and Jack Benny; and Perry Como performs "Hello Young Lovers" and, with Ann-Margret, "It Might As Well Be Spring."