When it Rains, it Pours, Except We're in the Shower

"When the song finished, Lance was out of breath, grinning from ear to ear. This was totally like a movie! Knocking on the wall where he thought the other person would be, he called out “You’ve got a good voice! Mind if I hear it in my bed sometime?”His eyebrow arch started to get tired from staying in place, so when he got no answer after two minutes, he sagged and finished his shower. At least it was a cool duet."---Prompt: So we've never met but our showers are on opposite ends of the same apartment wall so sometimes we're showering at the same time and we sing duets.