PG | 13 min | Drama, Short | 2011 Short films can be very tricky to pull off successfully. While in feature films there is plenty of time to delve into numerous characters and their histories, as well as gradually let narratives unfold, with shorts you only have a limited time to pack in as much about these crucial elements as possible. Shorts that are too short but have intriguing storylines may also leave viewers feeling as though they were shortchanged (puns intended). On the other hand, productions that meander along and don’t really go anywhere typically have people scratching their heads and wondering what else they could have done with the time they wasted. Well, it seems that award-winning Mexican director Alonso Alvarez got the formula for short film success right with his 2011 project, “Crescendo.” Things start off on a relatively drab note—we’re transported to the Holy Roman …