Dog ownership has gotten increasingly elaborate, and nobody seems embarrassed about it. The fresh food delivery services, the orthopedic beds, the Halloween costumes with coordinating owner outfits—and now, according to new research, the personalized Spotify playlist. MetLife Pet Insurance analyzed more than 500 public Spotify playlists made specifically for dogs and surveyed over 1,000 dog owners about their music habits. Nine in 10 play music …