Below you can find the This 1859 tune completes the phrase you ain't just whistling... Jeopardy Words Answer. The answer to This 1859 tune completes the phrase you ain't just whistling... has 5 letters. This clue belongs to the Whistles category and is part of Jeopardy Word Level 1852. If you scroll near the bottom you will find other clues and answers part of level 1852