Transportation Ambience

Travelers benefit from a calm atmosphere, encouraging the energy to make their way safely.
It is only through environment design, and entertainment, that the experience of air travel is made as stress-free as possible.
The Effect of Music-Induced Mood on Aggressive Affect, Cognition, and Behavior
Journal of Applied Social Psychology
2012 February
The more positive the music-induced mood, the less anger was experienced and aggressive behavior was shown after provocation.