Music Ally reports: “We’ve written recently about the deepening relationship between Apple Music and TikTok, from direct links between the two apps to their joint stream of a recent Burna Boy concert. But if that’s one axis of social+streaming, here’s another: Spotify and Instagram. Spotify is launching some ‘Reels Charts’ in Brazil and Mexico: playlists that feature the 50 most popular songs from Instagram Reels in those countries.”