10: It's about 26.4 gallons
13: Bottom-of-the-barrel stuff
21: Bananas, nuts, or crackers
27: Really hard on the eyes
30: Set in concrete, so to speak
31: Post-Mardi Gras period
33: 'Goddess' of the opera, literally
44: Wrecked beyond repair
54: Chamber music instrument
56: Attempt at filming a scene