This arrangement of the famous old tune, for intermediate duet, is set up nicely for the pianists, with large measure numbers and options for a smooth page turn, as well as an invitation to use Schaum's piano solo arrangement of the same song, additionally, for a 3rd performer and a total of 3 artists at one piano. The key signatures are C major and F major, 3/4 time, and the arrangement allows for both performers to play full sections of the song melody. Schaum level 1 1/2.