"Editorial abstract illustration evoking the emotional arc of a song titled "Metamorphosis One" by Philip Glass. Calm throughout, barely shifting. balanced composition. Mood: contemplative, reflective, serene. Visual style: 1980s editorial aesthetic, neon accents against moody ground. Painterly, grainy film texture, muted palette with strategic accent colors. The composition should read left-to-right like a timeline — calm on one side, intensifying toward the other. Strictly no faces, no text, no logos, no literal objects, no band imagery. Pure color-field abstraction with emotional weight. 16:9 editorial format."
Deep calm, gentler than 100% of our 19,209 measured songs — measures out best for sleep.
60
BPM
Metamorphosis One by Philip Glass is 60 BPM — Adagio (slow).
Half-time 30 BPM · Double-time 120 BPM · released 1988
Fan image for "Metamorphosis One"
An abstract illustration of what this song feels like. Each image is built from a prompt — the text description fed to the image generator. Listeners submit their own prompts, upvote the ones that fit best, and the top-voted prompt drives the next regeneration. After 100 image votes, we make a new picture.
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Song DNA
Notes: Minimalist solo piano with steady arpeggios and ostinatos creating a hypnotic, repetitive flow without harsh elements. Gentle dynamic swells and smooth pedaling enhance a serene, meditative atmosphere.
Misophonia Triggers
Recommended for: focus meditation relaxation sleep
A minimalist solo piano piece featuring repeating harmonic cycles in E minor with subtle transformations, inspired by Kafka's The Metamorphosis.
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Moods: contemplative, reflective, serene
Traditions: minimalism
Quiet Track
"Metamorphosis One" sits at 60 BPM. Built for stillness.
This is well below typical speech rhythm. The body reads slow tempo as permission to rest. Smooth texture and instrumental keep the foreground spare. Good candidates for use: falling asleep, processing a hard day, slow mornings, study sessions where the music must not pull at you. Avoid for any task that needs alertness — the piece works against it.
How this song sits on each sensory axis
A dynamic range of 3/10 places this song in the "steady volume" band. Loudness stays within a narrow window from start to finish — you won't be ambushed by a louder section if you set the volume at the opening.
Sudden changes: none. Transitions are musically signaled — nothing will surprise you if you're only half-listening.
Texture: smooth.
Predictability is high — the song telegraphs what it will do next. A sensory-sensitive listener can usually guess where it's going without close attention.
Vocal style: instrumental.
Where this sits in Philip Glass's catalog
We have 18 songs from Philip Glass in the library. Of those, 13 are rated Safe, 3 Moderate, and 2 Intense. This song's dynamic range of 3/10 sits below the artist average of 4.8, making it the #18 most dynamic track of theirs in our library.
Other tracks from Solo Piano
We have 4 songs from this album. Overall, the album leans safe in sensory profile.
- Metamorphosis Two — safe DR 4
- Metamorphosis Five — safe DR 4
- Mad Rush — moderate DR 6
1988 context
Released in 1988. We have 212 songs from that year in our library, averaging a dynamic range of 6.4/10. This track is quieter / less dynamic than the year average. Explore more from the 1980s.
Explore by mood and tradition
Traditions
minimalism · 40Guides that may help
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Why Post-Rock Works for Focus — The Logic of Slow Builds
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How fast is "Metamorphosis One"?
60 BPM — Very slow (ballad / ambient)
For running
Too slow for most running; good for warm-up walks or cool-down.
For workouts
Warm-up, cool-down, yoga, stretching.
For daily life
Sleep, meditation, reading, focus work.
Browse more songs at 60 BPM.
When "Metamorphosis One" works, and when it doesn't
Use-case verdicts computed from the song's tempo, dynamics, and sensory profile.
✓
Focus / studying
Yes — low-variance volume, no surprises, steady tempo. The ideal study-music profile.
✗
Running / workout
No — 60 BPM is too slow for sustained cardio.
✓
Sleep / winding down
Yes — low intensity, no surprises, slow tempo. Use as a sleep-playlist anchor.
✓
Driving / road trip
Yes — predictable enough for safe driving attention, interesting enough to stay engaged.
✓
Cooking / dinner background
Yes — sits in the background without demanding attention.
~
Emotional release / catharsis
Not really — it's pleasant but doesn't hit hard enough for cathartic listening.
Related reading
Editorial guides that cover this song's use cases, moods, or artist.
Music that repeats until it changes you — a love letter to minimalism
Steve Reich, Philip Glass, Terry Riley, Julia Wolfe. Minimalism sounds like nothing is happening until you realize everything is. A passiona…
low-intensity Music for Sleep: A Guide for Sensitive Listeners
Find music that helps you sleep without triggering sensory sensitivity. A guide to safe, predictable, gentle music for ears that notice ever…
The Calmest Songs We’ve Ever Measured
Out of 19,144 songs scored for intensity, these measure as the very calmest — the gentlest, steadiest, lowest-energy music in the library. A…
Why this rating
We rate this song Safe because its dynamic range stays within our low-variance band, there are no unsignaled changes, and the texture and vocal style are both in the low-fatigue range. Our methodology uses an AND rule for Safe — a song has to clear every dimension to earn the rating.
This song in the Music Studio
8/100 intensity
See how “Metamorphosis One” sits against your own sensitivities, or use it as a waypoint in a calmer set.
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For calm, low-stimulation listening
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Rating last reviewed: 2026-04-15. Reviewed by the Music I Want editorial team against the documented methodology.
Think this rating is wrong? Contact the editor — every message is read and ratings get revised.
By the numbers: how this song compares
Computed from this song’s place among the 19,209 songs we’ve measured.
Where it sits in 19,000 songs
This sits near the calm end of everything we've measured — gentler than 100% of the 19,209 songs in the library. Its intensity reading of 8/100 comes from a dynamic range of 3/10, smooth texture, no sudden shifts, and instrumental. Relatively few songs occupy this exact corner of the spectrum.
What makes it unusual
What stands out most about this song is deep calm: more extreme on that axis than 100% of everything we've measured. At the far opposite end of the library sit the songs built on full chaos — sudden changes, huge quiet-to-loud swings, and relentless energy — the kind of track this one is the counterpoint to.
Feels almost identical to
Requiem for Dying Mothers Part 2 — Stars of the Lid · 99%Prelude No. 1 in C Major, BWV 846 — Johann Sebastian Bach · 99%Everything Merges with the Night — Brian Eno · 99%In a Landscape — William Basinski · 99%
Closest matches by feel across all 19,209 measured songs — not by genre or artist, by how they actually move.
What it’s good for
Sleep10/10
Focus9/10
Workout0/10
Dinner6/10
Party / hype0/10
Scored from this song’s tempo, intensity, dynamics and texture — not crowd votes.
1988 in context
The 212 songs we’ve measured from 1988 average a dynamic range of 6.4/10. At 3/10, this track is gentler and steadier than its year.
Mixes smoothly with
Peace Piece — Bill EvansOpening — Philip GlassPrelude No. 1 in C Major, BWV 846 — Johann Sebastian Bach
Within a few BPM and close in feel — they flow without a jarring transition.
The fingerprint
Intensity8
Dynamics22
Tempo11
Surprise0
Density0
Predictability0
Vocal force0
Trigger load13
The 8-dimension measurement behind every rating on this page.
Frequently asked about "Metamorphosis One"
Quick answers pulled from the song's sensory analysis.
What is the BPM of "Metamorphosis One" by Philip Glass?
"Metamorphosis One" by Philip Glass has a tempo of 60 BPM (Adagio (slow)). At half-time that is 30 BPM, and at double-time 120 BPM.
What is the sensory intensity of "Metamorphosis One" by Philip Glass?
"Metamorphosis One" by Philip Glass rates as Low-Intensity. Dynamic range 3/10, no sudden changes, smooth texture. Our Low-Intensity rating means no single dimension triggers the higher-intensity thresholds.
How loud is "Metamorphosis One" — what is its dynamic range?
"Metamorphosis One" has a dynamic range of 3/10. This places it in the steady-volume band — loudness stays within a narrow window start to finish.
Does "Metamorphosis One" have sudden or surprising changes?
No. "Metamorphosis One" has no sudden unsignaled changes. Every transition is musically telegraphed.
What is "Metamorphosis One" best for?
In our library "Metamorphosis One" is recommended for: focus, meditation, relaxation, sleep. These tags are assigned only where the song's sensory profile genuinely supports the use case.
When was "Metamorphosis One" released?
"Metamorphosis One" is from 1988, on the album "Solo Piano". It appears in our 1980s catalog.
What is the emotional mood of "Metamorphosis One"?
We tag "Metamorphosis One" as contemplative, reflective, serene. Moods are tonal descriptors based on how the song reads emotionally — separate from the sensory intensity axes.
What is the vocal style of "Metamorphosis One"?
The vocal style is instrumental.
Is "Metamorphosis One" good for running?
Not really — at 60 BPM it's below most running cadences. Better for warm-up, cool-down, or walking. Recreational runners typically step at 140-175 BPM.
Is "Metamorphosis One" good for studying?
Yes — low dynamic range (3/10) and no sudden changes means the song stays in the background without pulling focus.
Can I use "Metamorphosis One" for sleep?
Yes — it clears every sleep-music criterion: low intensity, minimal dynamic range, no surprises. Use as a wind-down or sleep-playlist anchor.
Should I listen to "Metamorphosis One"?
If you want gentle, low-arousal music, "Metamorphosis One" is a solid pick — Low-Intensity across every sensory dimension.
Songs with the same DNA
smooth texture, similar intensity — across any genre or era.
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Where to next?
You know how this one feels — now go find the next one.