Every leader who steps in front of an audience is, whether they know it or not, walking into a room shaped by decades of cultural drift. A new study gives us an unusually precise measure of just how far that room has drifted — and it’s not in a comforting direction.

Researchers analyzed nearly 400,000 popular songs released over 60 years, tracking the moral and emotional language in the lyrics. The finding: references to cheating, harm, degradation, anger, and disgust have climbed steadily, while references to decency, care, and other virtues have declined. Male artists in particular gravitated toward the darker material. As study co-author Dr. Vjosa Preniqi put it, music is one of the ways societies narrate themselves to themselves — and the narrative has been getting harder-edged, year after year.

This isn’t an isolated finding. Other research has tracked pop music becoming steadily more self-focused since the 1980s, top-selling songs trending toward more negative emotional tone, and words like serenity and joy growing rarer in the charts over time. And there’s real evidence this isn’t just aesthetic noise: what people listen to predicts something about what they value. Music doesn’t just reflect the cultural mood — it likely reinforces it.

I felt the weight of this when I sat down to write about the 20th anniversary of 9/11 a while back. I’d built a career in communications just a few years before that day, and looking back, I could name five ways the public square had changed — gatekeepers giving way to DIY platforms, a hunger for raw authenticity, executives suddenly expected to be storytellers, slow but real progress on inclusion, and above all, speed. Everything moving faster, all the time. I wrote then that the world had lost some of its joy on 9/11. This new lyrics study suggests that loss wasn’t a one-time dip — it’s been a two-generation slide.

Let’s pause for a moment and lament the loss of light and joy in the world.  It’s akin to the loss of innocence many reported after WWI, when mechanized slaughter met older ideals about honor in war.

Add to that two-generational slide the disconnection baked into hybrid work — HBR’s recent research shows weaker culture, weaker commitment, and more isolated colleagues in hybrid organizations, largely because video conferencing strips out the sensory cues our brains use to build trust and connection. Layer on evidence that Americans are scoring lower on IQ tests across most domains, for reasons nobody can fully explain. None of these trends exist in isolation. They compound.

So what does a leader do with this? I don’t think the answer is to darken your own message to match the room, and I don’t think it’s to pretend the room is sunnier than it is. It’s to know the room. If the emotional water your audience swims in has genuinely gotten murkier over 60 years, then the leader who shows up radiating uncomplicated optimism risks sounding tone-deaf — while the leader who understands the shift can acknowledge real difficulty and still make the case for something better.

Meeting people in the actual cultural moment, rather than the one you wish they were in, isn’t cynicism. It’s just good communication. The data on where that moment sits keeps getting clearer. The question is whether we’re willing to look at it.

(Preniqi et al., Scientific Reports, 2026)

1. Main reference (lyrics study):
Preniqi, V., et al. (2026). "Evolution of moral expression in song lyrics." Scientific Reports, 16,
19556.
https://www.nature.com/articles/s41598-026-53778-9

2. HBR hybrid work article:
Cappelli, P., & Nehmeh, R. (2025). "Hybrid Still Isn't Working." Harvard Business Review,
July–August 2025.
https://hbr.org/2025/07/hybrid-still-isnt-working

3. IQ decline research:
Dworak, E. M., Revelle, W., & Condon, D. M. (2023). "Looking for Flynn effects in a recent
online U.S. adult sample: Examining shifts within the SAPA Project." Intelligence, 98, 101734.
https://doi.org/10.1016/j.intell.2023.101734 (open access)