Why does the general demeanor of others change as soon as they begin to ‘talk shop’ or do something else that puts them into ‘work-mode’? We propose that such phenomena reflect an instance of incidental priming in which environmental cues activate actional ‘sets’ formed through extensive training in a particular domain (e.g., music). Accordingly, we demonstrated that, by activating a ‘musician set,’ incidental musically-related stimuli prime musicians to spend more [...]