Ferrous Lullaby
Ferrous Lullaby by Ottilie Strand is 75 BPM — Adagio (slow).
Half-time 38 BPM · Double-time 150 BPM · released 2018
Song DNA
A calm, low-key track. The track moves moderately between quiet and loud with the occasional gentle turn, over a clean texture. A light, easy vocal, at an unhurried mid-tempo. Predictable and even, it’s easy to settle into and let run. Against the 19,209 songs we’ve measured, it reads gentler than 86% of everything we’ve measured.
Hear it the way it was made
The right gear changes everything.
"Ferrous Lullaby" sits at 75 BPM. Built for stillness.
This is well below typical speech rhythm. The body reads slow tempo as permission to rest. Smooth texture and soft vocals 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 4/10 is within the normal pop-mix band. There is variation between verse and chorus, but it's the kind of variation most listeners encounter routinely.
Sudden changes: mild. There are one or two transitions worth knowing about, though they're musically resolved rather than surprise-driven.
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: soft vocals.
2018 context
Released in 2018. We have 462 songs from that year in our library, averaging a dynamic range of 6.3/10. This track is quieter / less dynamic than the year average. Explore more from the 2010s.
How fast is "Ferrous Lullaby"?
75 BPM — Slow (downtempo / ballad)
Too slow for most running; good for warm-up walks or cool-down.
Warm-up, cool-down, yoga, stretching.
Sleep, meditation, reading, focus work.
Browse more songs at 75 BPM.
When "Ferrous Lullaby" works, and when it doesn't
Use-case verdicts computed from the song's tempo, dynamics, and sensory profile.
Maybe — fine for routine work, but the mid-song changes may pull attention during deep focus.
No — 75 BPM is too slow for sustained cardio.
No — contains elements that will keep an awake nervous system engaged.
Yes — predictable enough for safe driving attention, interesting enough to stay engaged.
Yes — sits in the background without demanding attention.
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.
A Sensory Guide to Every Radiohead Album — From Safe to Intense
A Sensory Guide to Every Radiohead Album — From Safe to Intense — A guide for sensory-sensitive listeners on musiciwant.com
Classical Music for Sensory Sensitivity: What's Safe, What's Intense, and Why
Classical Music for Sensory Sensitivity: What's Safe, What's Intense, and Why — A guide for sensory-sensitive listeners on musiciwant.com
World Music for Sensory Exploration: Safe Entry Points into Unfamiliar Traditions
World Music for Sensory Exploration: Safe Entry Points into Unfamiliar Traditions — A guide for sensory-sensitive listeners on musiciwant.co…
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.
See how “Ferrous Lullaby” sits against your own sensitivities, or use it as a waypoint in a calmer set.
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Rating last reviewed: 2026-06-11. 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 86% of the 19,209 songs in the library. Its intensity reading of 22/100 comes from a dynamic range of 4/10, smooth texture, mild shifts, and soft vocals. Relatively few songs occupy this exact corner of the spectrum.
What makes it unusual
What stands out most about this song is an unusually steady, even volume: more extreme on that axis than 97% 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
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
Scored from this song’s tempo, intensity, dynamics and texture — not crowd votes.
2018 in context
The 461 songs we’ve measured from 2018 average a dynamic range of 6.3/10. At 4/10, this track is gentler and steadier than its year.
Mixes smoothly with
Within a few BPM and close in feel — they flow without a jarring transition.
The fingerprint
The 8-dimension measurement behind every rating on this page.
Frequently asked about "Ferrous Lullaby"
Quick answers pulled from the song's sensory analysis.
What is the BPM of "Ferrous Lullaby" by Ottilie Strand?
"Ferrous Lullaby" by Ottilie Strand has a tempo of 75 BPM (Adagio (slow)). At half-time that is 38 BPM, and at double-time 150 BPM.
What is the sensory intensity of "Ferrous Lullaby" by Ottilie Strand?
"Ferrous Lullaby" by Ottilie Strand rates as Low-Intensity. Dynamic range 4/10, mild sudden changes, smooth texture. Our Low-Intensity rating means no single dimension triggers the higher-intensity thresholds.
How loud is "Ferrous Lullaby" — what is its dynamic range?
"Ferrous Lullaby" has a dynamic range of 4/10. Within normal pop-mix variation. Movement between verse and chorus but nothing dramatic.
Does "Ferrous Lullaby" have sudden or surprising changes?
"Ferrous Lullaby" has mild sudden changes — one or two transitions worth knowing about, but they are musically resolved rather than surprise-driven.
When was "Ferrous Lullaby" released?
"Ferrous Lullaby" is from 2018. It appears in our 2010s catalog.
What is the vocal style of "Ferrous Lullaby"?
The vocal style is soft vocals.
Is "Ferrous Lullaby" good for running?
Not really — at 75 BPM it's below most running cadences. Better for warm-up, cool-down, or walking. Recreational runners typically step at 140-175 BPM.
Is "Ferrous Lullaby" good for studying?
Only partially. The song's dynamic range (4/10) means there will be loud moments that break focus during deep work.
Can I use "Ferrous Lullaby" for sleep?
Not recommended for sleep. Contains transitions that will wake you up.
Should I listen to "Ferrous Lullaby"?
If you want gentle, low-arousal music, "Ferrous Lullaby" 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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