Does the music matter more than the drug in psychedelic therapy?

In this study, how patients related to the music predicted their drop in depression a week later, while the intensity of the drug did not. That is why the authors called music a hidden therapist. It suggests the music is an active part of the therapy, not a side detail.

What did patients say the music did during their sessions?

The themes that came up most were that music intensified their emotions and stirred vivid mental imagery. Many also described it as a guide that gave them a sense of grounding and carried them from one inner place to the next.

Why is music part of set and setting?

Setting is the whole environment around a session, and sound is a big part of it. Because music can steer emotion and imagery so strongly, curated music is treated as one of the conditions that shape how the hours go, alongside the room and the people in it.

Immersion

How does music shape what happens in a session?

Short answer

Music is not background. In sessions, it shapes what you feel and see, guides where your attention goes, and can steady you when things get intense. In one study of psilocybin therapy, how patients related to the music predicted their mood a week later, more than the drug itself did.

The research

Kaelen, M., Giribaldi, B., Raine, J., and colleagues (2018). The hidden therapist: evidence for a central role of music in psychedelic therapy. Psychopharmacology, volume 235, issue 2, pages 505 to 519.

Sample 19 patients in psilocybin therapy for treatment-resistant depression

Published 2018

Journal Psychopharmacology

Mendel Kaelen and colleagues at Imperial College London looked at a part of psychedelic therapy that usually goes unexamined: the music. Nineteen patients being treated with psilocybin for treatment-resistant depression sat through sessions with a curated playlist, then spoke about the music afterward in semi-structured interviews. The team read those interviews closely to find the common threads. The themes that came up most often were that the music intensified emotions and stirred vivid mental imagery. Patients also described the music as a kind of guide, something that gave them a sense of grounding and carried them from one inner place to the next, almost like a presence in the room. Then came the striking part. When the researchers compared how patients related to the music with how intense the drug felt, it was the experience of the music, not the intensity of the drug, that predicted how much their depression had eased one week later. The authors called music a hidden therapist and argued it plays a central, active role in this kind of therapy rather than sitting quietly in the background.

Read the paper

What does this mean for you?

The plain lesson is that sound is doing real work. In these sessions the music was not filler between the important parts. It shaped the emotions people felt, the images that rose up, and how held or how lost they felt while it happened. When people connected with the music, they tended to feel better afterward. That points at something simple and often missed: what you listen to during deep inner work is part of the work.

It is worth being honest about what this study was and was not. It was a small group, 19 people, all being treated for hard-to-treat depression with psilocybin in a clinical setting. It leaned on interviews and people's own descriptions, which are rich but personal. So this shows how music shaped these sessions for these patients. It does not prove that any one song changes any one outcome, and it does not carry over cleanly to every kind of session or every person. Read it as a strong signal, not a formula.

Even with those limits, the direction is clear and it fits what many people notice on their own. Music can open feeling, steady a rising wave, and give a wordless experience some shape. You will not always control the sound in a room. But in the work you do on your own between sessions, you can choose what you listen to, and you can notice how different music moves you.

The takeaway

Treat music as part of the session, not as noise. What you play can shape what you feel.
Notice how a piece moves you. Some music opens feeling, some steadies it, and both can be useful at different moments.
If sound helps you settle or go deeper in your own practice, that is worth bringing to your care team.

Terms in this page

Set and setting Grounding

This is the work Asendar™ was built for: helping you shape the conditions around your inner work between sessions, including the small choices like what you listen to when you slow down and turn inward. If you want a simple read on where your head is today, take your Mental Readiness Score.

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Explore more in the Immersion pillar