I was going to post this under the “indirectly related” forum, but this is likely of great interest to radio music programmers. Article contains a lot of animations, so keep scrolling:
www.bbc.co.uk
Three-minute heroes: TikTok made songs shorter but artists are pushing back with longer tracks with more emotional resonance - BBC News
Pop songs got drastically shorter in the streaming era. But new BBC research shows that trend is over