I play the song, "In the Hall of the Mountain King" around Halloween. We talk about the pattern:
ti-ti ti-ti ti-ti ta,
ti-ti ta, ti-ti ta,
ti-ti ti-ti ti-ti ti-ti
ti-ti ti-ti ta rest
The students listen the first time and count how many times they hear the pattern. The next time, we count together. Then we dance to the music, trying to be sure we model what is happening in the music.
I just found a wonderful book to read to my students to really help them understand the story: