Though he might not admit to being as curious a serpent as he was, Crowley often outed himself as such just by poking into other people's business. This time, as he followed the sound of whistling through the car, he was relieved to find someone he knew on the other end of it, working away at... well, whatever that was. Crowley was fairly keen on technology but he'd never really needed to learn about fabrication, so the device isn't too familiar.

"Don't mind me," he mutters. reaching for the tool in question, "I was enjoying the concert."