Complimentary
One of the more popular Spotify playlists is the Pet Playlist. Based on musicology research and a pet-focused survey Spotify conducted, the Pet Playlist generates a list of songs you’ll enjoy. Plus, your pet might, too.
Source: Insider, via IBPSA Fast Bites, July 19, 2021. Link. The playlist’s songs are picked according to what kind of pet you have and their personality.