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Lullaby

Lullaby is a warm F major chord spread across five octaves, from a 43 Hz sub-bass up to F5, with the top end rolled away above roughly 700 Hz. It is a wide, dark, slow-moving pad rather than a tune. Suits anyone who wants something soft and tonal running in the background.

Add to a mix
Sleep timer
Meditation bell
rings once when you pick one
Fade in
softens the start at night

Ready to play

Stack this under rain or a fire, keep the blend, and play it with your screen off. Slo, on iOS, Android and Mac.

Download on the App Store Get it on Google Play

What the loop actually contains

The measured tones are 43.5 and 87 Hz at the bottom, then 174, 347, 436, 523, 584 and 698 Hz: an F major triad, F, A and C, spread across a very wide span. Unusually for this group the sub-bass is one of the loudest elements, which is what gives it its heaviness on speakers that can reproduce it. Above about 700 Hz the file falls away sharply. Movement is slow, roughly one gentle swell per second, over a 32-second loop.

How it differs from Moonlight Lullaby

The two share a word and very little else. This one is a wide stereo chord weighted to the bass, with the treble removed. Moonlight Lullaby is the opposite in every measurement: fully mono, no bass below 80 Hz, and an actual melodic figure two octaves higher. If you want a chord, stay here; if you want a tune, go there.

Also nearby: Deep Focus is the same idea in E flat with a busier voicing. See everything on the sound library index, or add movement with the Lullaby and gentle rain blend in the free sound mixer.

Build a layered soundscape in thefree sound mixer, or try moonlight lullaby , deep focus or flow . You can also read our guide to noise colors.

Frequently asked questions

What chord is Lullaby?

F major. The measured pitches are F at 43, 87, 174, 347 and 698 Hz, A at 436 Hz, and C at 523 Hz.

Is it a melody?

No. It is a sustained chord with slow swells. For a melodic figure, Moonlight Lullaby is the one to try.

Will phone speakers play it properly?

Only partly. Much of its character sits below 100 Hz, which small speakers cannot reproduce, so it will sound thinner than it is.

Is this suitable for a baby?

This site makes no claims about sound and infants. If you are considering audio in a nursery, keep the volume low and raise it with your paediatrician.