Foster Mastering

Foster Mastering Professional analog audio mastering facility. Tweakin' the freqs since '94 Mastering, and many others.

Welcome to Foster Mastering, where the best in analog and digital technology has been assembled in purpose designed room giving us a wide variety of options in making your music sound the best it ever has. Ryan Foster, Foster Mastering’s chief engineer, has years of experience working and training in some of the best studios in the country, including Prince’s Paisley Park Studios, Sony, Freq. From

basement recordings and bedroom mixes, to work done in the best of studios, high-quality audio mastering is more important than ever. An experienced mastering engineer has heard 1000′s of records in a precise, familiar room, and will have a fresh perspective on your mixes allowing them to be the best they can be. Mastering is not only your final opportunity to make sure that your record is competitive, it’s your last chance to make sure that the vision you have for the music you’ve worked so hard comes to fruition. We believe there’s more than one way to master a record correctly. It really comes down to what flavor you’re looking for, or what mood you’re trying to convey. At Foster Mastering we pride ourselves in helping you get there. If you have questions about mastering, or would like to talk about how you can get the most out of your recordings, we’d love to hear from you. Let us show you why dedicated mastering engineers and studios exist.

I had the extreme pleasure of mastering the new release DEEP CUTS by Mr. Gavin Castleton. Perfect for Halloween and beyo...
11/01/2025

I had the extreme pleasure of mastering the new release DEEP CUTS by Mr. Gavin Castleton. Perfect for Halloween and beyond!
Check it out at gavincastleton.bandcamp.com.
From Gavin: “The album is a definitive collection of my fan fiction and horror tribute songs, newly remixed and remastered, topped off with 3 unreleased tracks for 2025 (one about Quint from Jaws, one about neighborly werewolves, and one from the perspective of a robot house with poor sportsmanship).”

Credits: Falling (the Twin Peaks theme) was written by Angelo Badalamenti and David Lynch, produced and mixed by Gavin Castleton, featuring vocals by Holly Frost (aka , aka Lex Land, aka One Big Dark Room).
Strange Fruit was written by Abel Meeropol, produced by Gavin Castleton and Brian Cass, aka / Overclock Orchestra; mixed by Brian Cass, featuring vocals by Dua Boakye of Bad Rabbits.
Since 1968 was written by Gruvis Malt , remixed by Brian Cass / Overclock Orchestra.
All other songs written, produced, and mixed by Gavin Castleton.
All songs mastered by Ryan Freq Foster at Foster Mastering.

Thanks, Gavin!

For fans of:

09/08/2025

Tweakin' the Freqs since '94

Clown Shoe & Whale
07/01/2025

Clown Shoe & Whale

Who’s ready to tweak?I’d love to help u make your music sound the best it ever has. Ryan “FREQ.” FosterFoster MasteringT...
06/13/2025

Who’s ready to tweak?
I’d love to help u make your music sound the best it ever has.

Ryan “FREQ.” Foster
Foster Mastering
Tweakin’ the Freqs since ‘94

06/08/2025

Libretto • Buscrates • Liquid Beat Records • Justin Higgins • Do it! 🔥

It’s always a pleasure to work with Mr. Jim Walker, also known as on a project. This time it was to master his excellen...
06/02/2025

It’s always a pleasure to work with Mr. Jim Walker, also known as on a project. This time it was to master his excellent new EP “Slouch.”

JVA - Lead Vocals, Programming, Guitars, B3, Percussion, BGVX
Michele Van Kleef - BGVX
Albert Reda - Bass, Keys, Percussion, BGVX

Produced, recorded, and mixed by Jim Walker at Studio 515

Mastered here at Foster Mastering by me,

Check it out! ❤️
Thanks, Jim!

www.jvamusic.com/slouch
https://jvamusic1.bandcamp.com/album/slouch-ep

I had a blast mastering the new album. “And the Warthog Loves you” by .lukas86 on Drums and Vocals on Bass on Guitar and...
06/02/2025

I had a blast mastering the new album. “And the Warthog Loves you” by .
lukas86 on Drums and Vocals
on Bass
on Guitar and Vocals

Recorded and mixed by
Mastered by me

Thanks for having me involved, gents!
🤘🏽🔥❤️

I recently had the pleasure of mastering the new album “Live at The Blue Door” by aka The Queen of Oklahoma.Good stuff!...
04/11/2025

I recently had the pleasure of mastering the new album “Live at The Blue Door” by aka The Queen of Oklahoma.
Good stuff! Thanks for having me involved, Carter!

For the last 20 years, this Oklahoman has consistently delivered high-quality songwriting and gorgeous vocals, proving that she is one of the very best around. Her previous albums were produced in a studio setting using a full band, while her latest release captures a live solo performance. “I play a lot of solo shows, as well as with a band. On this album, I wanted a stripped-down recording to highlight the songs and me singing them.” In November 2024, Sampson teamed up with long-time bandmate and engineer Kyle Reid to record two live shows at The Blue Door. The Blue Door has been the premier listening room in OKC and a home base venue for the artist for many years. Live at The Blue Door is Carter Sampson at her best, riding the strength of her songs and her powerful voice.

Engineered & Mixed by
Mastered by at
Photos by Doug Schwarz aka@dougonius at
Artwork & Layout by
Get it over at

I had a blast mastering .mic new 7” single, “Special Request” b/w the Vitamin D produced b-side exclusive, “Free To Be.”...
04/01/2025

I had a blast mastering .mic new 7” single, “Special Request” b/w the Vitamin D produced b-side exclusive, “Free To Be.”
Check it out! Thanks for having me involved, all! ✌🏽❤️

“Special Request”
Prod by
Out now on all DSP’s

The B side is titled “Free To Be”
Prod by
(This will not be on the full length album)

Order the 7” vinyl now

Artwork by
7” labels by
Mixed by
Mastered by
Pressed by

From The Ages new album is out now!Thanks for having me involved, gents! is:Paul Duziak - Guitartucker_ - BassGreg Traw ...
03/28/2025

From The Ages new album is out now!
Thanks for having me involved, gents!

is:
Paul Duziak - Guitartucker_ - Bass
Greg Traw aka - Bass

Bardo was recorded/mixed by .payne at .
Lucid was recorded/mixed/mastered by Dave Tucker.
Mastered here. Do it! 🤘🏽🔥

Tweaked up the new single for , featuring & Produced / engineered / mixed by Mastered hereGet it now over at Thanks f...
02/20/2025

Tweaked up the new single for , featuring &
Produced / engineered / mixed by
Mastered here
Get it now over at

Thanks for having me involved, all! 🔥🤘🏽

Address

4711 SE 26th Avenue
Portland, OR
97202

Telephone

+15032229444

Website

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Foster Mastering | Tweakin’ the FREQs since ‘94

Welcome to Foster Mastering, where the best in analog and digital technology has been assembled in purpose designed room giving us a wide variety of options in making your music sound the best it ever has. Ryan Foster, Foster Mastering’s chief engineer, has years of experience working and training in some of the best studios in the country, including Prince’s Paisley Park Studios, Sony, Freq. Mastering, and many others. From basement recordings and bedroom mixes, to work done in the best of studios, high-quality audio mastering is more important than ever. An experienced mastering engineer has heard 1000′s of records in a precise, familiar room, and will have a fresh perspective on your mixes allowing them to be the best they can be. Mastering is not only your final opportunity to make sure that your record is competitive, it’s your last chance to make sure that the vision you have for the music you’ve worked so hard comes to fruition. We believe there’s more than one way to master a record correctly. It really comes down to what flavor you’re looking for, or what mood you’re trying to convey. At Foster Mastering we pride ourselves in helping you get there. If you have questions about mastering or would like to talk about how you can get the most out of your recordings, we’d love to hear from you. Let us show you why dedicated mastering engineers and studios exist.