Piano Masterpieces: Chopin Nocturnes Collection

Ask an engineer what they are listening for and you will not get an answer about music. You will get an answer about space: how far back the drums sit, whether the vocal is sharing a frequency with the guitar, what the room is doing between the notes.

That is the part that separates a recording that sounds expensive from one that does not, and almost none of it is audible as a thing you could point to. It registers as an impression — this sounds finished — long before anyone could say why.

Arrangement is the first mix

Most problems described as mixing problems are arrangement problems wearing a disguise. Two instruments occupying the same register will fight no matter how carefully they are balanced. The fix happens before anyone touches a fader:

• Move one part up an octave, and the argument disappears.
• Take something out entirely. Subtraction is the cheapest tool in the room.
• Let the loudest moment arrive once, near the end, rather than every eight bars.

The case for committing early

Recording to a fixed sound — deciding, printing it, moving on — used to be forced by tape and is now a discipline you have to choose. Keeping every option open sounds like freedom and behaves like paralysis. A record made of decisions sounds like something. A record made of possibilities sounds like a demo.

The best-sounding records are usually not the ones with the most work in them. They are the ones where somebody knew when to stop and had the authority to say so.

Listening as a skill

It is trainable, and the training is boring. Play the same passage twenty times and change one thing. Learn what two decibels actually sounds like. Most people discover their ears are far more sensitive than they assumed, and that the difference between good and right is smaller and more specific than they expected.

Where to start

Pick a record you know too well and listen to one instrument the whole way through.

Follow the bass for four minutes and nothing else. You will hear arrangement decisions you have walked past a hundred times — an entry held back, a part that drops out exactly where the vocal needs room. After a few weeks of this you stop hearing songs as a wall of sound and start hearing them as a set of choices, which is both a gift and, occasionally, a curse.