SEATAC, Washington (AP) — Background music is no longer an afterthought at many airports. Some are hiring local musicians and carefully curating playlists to help lighten travelers’ moods. Seattle-Tacoma International Airport features live musicians every day, and Nashville International Airport has five stages that host more than 800 performances a year. Detroit Metro Airport plays Motown hits in a tunnel connecting its terminals. Singapore’s Changi Airport commissioned a special piano accompaniment for its giant digital waterfall. Mood Media, the company formerly known as Muzak, develops airport playlists to appeal to business travelers or families depending on the time of day. It might program calmer music for a security line and something more energizing in the duty-free store.… Continue Reading