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Mastering Blog

This blog shares insights from my work as a mastering engineer and author, covering mix prep, the history of mastering, DIY techniques, philosophy, and how AI tools are shaping the future of music production.

Miracle Blue: Notes on One Master

Some songs arrive with a legible technical problem. Too dark, too sharp, thin in the low end, already too loud. Not always simple to fix, but generally clear about what the work ahead will be. You can hear where to begin.

Other songs arrive with something harder to name. The feeling is already in the room, and the mix has no nameable flaws. The danger is that mastering will improve the record into something less itself.

Foggy Blue Mountains

Kyle Benor’s Miracle Blue is the second kind.

The first version I heard was Kyle’s own mix, made with Cassandra Plunkett, who records as Plunki and sang the backing vocals. The song had been written over the bones of a sketch from a friend of his, carved down, rewritten on top, finished as a goodbye addressed to a specific person. While the song was being finished, Kyle was also carrying something emotionally complicated with that same person. Those details are not mine to narrate. What matters for this piece is simpler: Kyle was trying to finish a song about the beauty of a bond while still living inside the damage left by it.

That is not background. It changes what the mastering has to do.

The core of the track was already correct. The vocal sat right. The harmonic motion, the pacing, a sense of memory held close rather than viewed from a distance: all of that had arrived in the mix. Cassie’s backing vocals were doing their ethereal work. A master that announced itself boldly would have broken what the mix had protected.

So the cleanup came first, and it was meticulous. The opening sections were intimate enough that any broadband noise, click, or small upper-mid harshness pulled the listener out of the song. I worked through them at a resolution that should never be audible. If you could hear the cleanup, you would have been aware of the mastering, and the track could not afford that self-awareness.

The tonal work was small. A gentle bell lift in the vocal-body region, with a wide Q, less than a decibel of movement, brought the vocal forward a half-breath and firmed up the mix without adding apparent weight. A high shelf in the very top air band, operating only on the sides of the stereo image and boosted by less than half a decibel, widened the shimmer of the plucked guitars without touching the center where the vocal lived. Not enough to call attention to itself, but enough to change how the song glued together.

Abstract Blue Stained Glass Window Panels

The structural decision did the most work, and Kyle felt it without needing to name it. I processed the song by arrangement section rather than globally. When the drums arrived, a small amount of harmonic excitement came with them, marking the section change as a gesture rather than an event. The earlier sections stayed untouched by that move, so the song’s architecture could be felt from inside the listening rather than explained from outside it. Kyle flagged the section as working. At the time he did not know why, and he didn’t need to.

Dynamics were handled subtly. Slow optical compression through a tone-shaping path, with gain reduction you could only see if you looked closely at the meters. Parallel upward processing to surface the micro-dynamics: the smallest vocal detail, the tail of a held note, the dust at the edge of a chord. No clipping at any stage. The limiter held its attack and release long enough that the envelope of the performance stayed intact. Level came from density rather than from the shape of the transients.

What this requires is a way of listening to what the song is already doing without forcing it into a more impressive shape. The philosopher Iris Murdoch’s phrase for attention was “a just and loving gaze directed upon an individual reality.”

The mastering version of that gaze is more constrained. It is a refusal to impose a shape the song has not asked for.

The ending of Miracle Blue was the place I let myself push. A moment near the close where the song wanted to open and flourish, not as a bigger chorus but as a memory becoming physical. The rest of the master had to earn that moment by not spending its energy too early. The section-specific work on the final passage, with its harmonic excitement and gentle lifting of the upper mids, let the release arrive with the weight of something recognized rather than the weight of something engineered.

Old Pictures on Photo Album

Kyle wrote back quickly.

“Fuck it sounds beautiful.”

The line that stayed with me was this:

“You made the ending really pop.”

The phrase carries no technique in it and no preciousness. It is the sound of someone hearing their own song land.

He told me the backstory then, as context for why the track mattered rather than as an invitation to revise. The song was for a specific person. There was real difficulty between Kyle and that person, unresolved at the time, and unresolved in ways that made the song’s elegiac form feel both earned and strange. He was writing a goodbye and carrying the weight of an ongoing dispute in the same weeks.

The master went out. The song did not come out.

Three weeks later Kyle wrote again. He had caved and gotten the track professionally remixed by Max Nunes. The reason was practical. Kyle felt Miracle Blue, in its self-mixed form, wasn’t sitting alongside his other mixes at the level of quality the record needed. Max’s remix was more finished, more controlled, louder, and translated better across systems. It solved things the self-mix had not solved. Max told Kyle the track didn’t need mastering; mastering-grade tools had been used on the mix bus.

A Musician Playing the Acoustic Guitar

Kyle wrote to me anyway. What he said, in so many words: there were things I had imparted on it in my previous master that he wanted to happen again.

This is a more delicate position than it looks. A chain-for-chain return would have fought the new mix. I was being asked to recognize and realize the same work of art in different light.

That is the part of the job that almost never gets written about. What carries across two masters of different mixes is a mode of hearing. A way of holding the song in attention, prior to any chain or any plugin order. The engineer’s work on the second pass is to arrive at that hearing again through different material, so the artist can recognize their own song under its new surface.

The slow optical compression came off. The section-specific arrangement processing came off, because the remix was already louder and more compressed than the self-mix had been, and adding another layer of density would have closed the song down. What remained was tonal integration, so the song read as one object rather than as verse, chorus, and climax joined by assembly, and careful work at the transitions into the final section, so the release, when it arrived, felt earned by what preceded it. Less at the ending. More at the approach to it.

Kyle wrote back three words.

“This is perfect.”

In mastering, perfect rarely means flawless. It means the artist no longer feels the work fighting them. The song can leave. The decision can stop being rehearsed. The record has crossed from private uncertainty into public form.

Miracle Blue is out now via Wild Hunt Records.

Starlit Night Sky Over Forest with Shooting Star

What it documents, beyond itself, is a goodbye that required two mixes and two masters and a long period of difficult development behind the scenes before it found its final form. For me, as the engineer who worked on it twice, it documents something else: that the mastering decisions I care about most have almost nothing to do with level and almost nothing to do with individual gear-setting choices. They are decisions about what is already honest in a song and what a master could do to betray it.

When those decisions are right, they survive being remade from scratch. The second master, on a different mix, with different tools, arrived at the same response.

That is the work.

Miracle Blue
Kyle Benor