"White Christmas"

Last year, I figured out how to play "White Christmas," and I discovered that there's a five-note chromatic phrase corresponding to "of a white Christmas."  I was thinking about that again this year when I realized the whole first phrase is made up of half-steps:

(click the image to enlarge it)

After I realized that, I started thinking about the lyrics for that phrase:  "I'm dreaming of a white Christmas."  Because the music there is made up entirely of half-steps, there's a sort of tension.  It sort of portrays either the desperation or the earnestness of the singer/speaker's wish for a white Christmas.