As part of ‘The ABC’s of Death 2’, ‘M is for Music Box’ was entered in their open to the public segment of the film. The brief was to make a horror film, based off of the letter ‘M’ and had to be under 3 minutes (excluding credits and title).

Unfortunately, ‘M is for Music Box’ was not selected into the final film, however it was in the top 26 recommended submissions:
http://dailygrindhouse.com/thewire/alternate-abcs-death-26-m-entries-check/