Answer: Not that i know of. i have read the song before, so i am guessing it is a call of response.
Explanation: Hope this helps. i am not positive about this, but i hope this answer helps you.
All of North, Central, and South America is completely west of the Prime Meridian. So the countries within the region are entirely in the western part of the Meridian. In Africa, Morocco, Senegal, and Guinea, all lie in the western part of the Meridian.