Calliope made sure the house was clean and her daughter was out of it before Apollo appeared. As much as Theo was familiar with the god, Calliope didn't want to have her around right now, not for this conversation anyway.
She didn't dress up, but she didn't dress down either. She still had to be presentable after all.
"Musagetes," she greeted him as she opened the door with a smile, leaning in for a kiss on the cheek. "Come in. Oh lovely, you did bring wine. I'll get some glasses."