This is what I meant with flowers in mans vase. The perfect wedding centerpiece -- Dollar Store square vases with 9 white roses each. Lauren, this will be gorgeous on those dark wine tablecloths you picked out.
Place a cup filled with plain white vinegar on the top rack of the dishwasher. Using the hottest water available, run the dishwasher through a cycle. The vinegar will help to wash away the loose, greasy grime, sanitizes, and helps remove the musty odor.