We moms are used to temper tantrums and irrational behavior. We get it from our kids, we get it from elected officials and we get it from the right-wing media. (At least one of those groups will grow out of it, we tell ourselves.) That doesn't mean we're going to put up with it.
While comedies are certainly well represented on this list (reminder to Hollywood: they do lend themselves to brevity), you'll also find dramas, westerns, war films, horror and suspense. A smorgasbord!
Surveying the historical span of filmmaking, the use of original music appears more prevalent from the dawn of sound through the 1970s -- or perhaps it's just that the scores themselves were more memorable over this period.