Not to be confused with Moonlight Sonata. Moonlight Serenade is an American swing ballad composed by Glenn Miller with subsequent lyrics by Mitchell Parish. In 1991, Miller's recording of Moonlight Serenade was inducted into the Grammy Hall of Fame.
Ice's weaknesses are negligible, for the most part, because you won't see much of the three types of Pokmon whose attacks are strong against them: Fighting, Fire, and Rock. Of those that are used, your Ice Pokmon should have little difficulty dealing with them.
When the salt begins to penetrate the ice, it forms brine (a solution of salt and water). Brine has a lower freezing point than pure water, which then causes the ice to melt. Rock salt is capable of lowering the freezing point down to 25 degrees Fahrenheit.