Her jaw dropped in mock horror. "I'm only allowed to have one? That's just not fair. If we're talking classics, it's Defying Gravity, which is ancient history but has these lovely soaring notes that are just wonderful to sing, not to mention lovely lyrics. Modern stage is oh... Roses, from a show my friend wrote back in high school, just because he wrote it for me. Pop is Into the Night, hands down, because of the part where she just goes off on that riff in the middle and it's all eerie and I still haven't managed to get it right."
Her thumbs hooked in her belt loops as she looked over at him. "What kind of an engineer are you?"