440 Hz


I think there may be a small confusion in the terms you heard. The numbers 420 or 430 are not “modes” of a song or album. They usually refer to tuning frequency (A tuning), not musical mode. Let me clarify:

1. Standard tuning for most songs

A = 440 Hz

This is the international standard tuning used in almost all modern recordings.


2. Alternative tunings people talk about

Some musicians tune slightly differently:

A = 432 Hz

Sometimes used for “softer” or “natural” tuning.

Some people claim it sounds more relaxing.


A ≈ 430–438 Hz

Used sometimes in classical orchestras or historically informed performances.

Not a musical “mode,” just a slightly different tuning reference.



3. What “mode” actually means in music

Mode refers to scale type, such as:

Ionian (major)

Dorian

Phrygian

Lydian

Mixolydian

Aeolian (natural minor)

Locrian 


These are scale structures, not frequency numbers.

So your numbers likely mean:

420 / 430 → tuning frequency (Hz)

Mode → scale type (major, minor, dorian, etc.)


✔ Most albums are recorded at A=440 Hz.


If you want, tell me which song or album you mean by “Aong”.
I can check the exact key, tuning, and mode used in that recording.



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