What is the perfect length for a pop song?    Ever since the advent of streaming - and especially since the arrival of TikTok - songs have been getting drastically shorter.    But new BBC research suggests that trend is over.    Song lengths have crept back up again, chart analysis by BBC News shows. “I think attention span is slowly creeping back up. And that means that people care, which is very much music to my ears,” says songwriter Ines Dunn.    Tap the link in BBCNews’s bio to read why pop is also getting happier too.    (📷 Getty, BBC)   #MusicStreaming #ChappellRoan #PinkPantheress #BBCNews