Oldies are popular partly because more boomers and Gen Xers are using streaming services. But a big driver of this trend is TikTok.

Case in point: Remember the skateboard guy who turned Fleetwood Mac’s 1977 hit “Dreams” into a 2020 chart topper?

A lot of the investment money flowing into the music industry right now is coming from big catalog deals where older artists sell the rights to their classic songs.