Here is my entry for the Fall 2016 Competition, a set of 10 variations on the well-known simple theme "Happy Birthday."  Though I suspect everyone knows this theme, in case you don't here's a link to a version of it.  Just listen to the first 25 seconds or so for the basic theme:  https://www.youtube.com/watch?v=HVEmrAilqj8 Thanks for listening and best of luck to all the other entrants!