The Buyer's Guide to Music and Audio Production for Advertising

By Elad Marish, Founder & ECD, Swell Music + Sound · Published May 8, 2026

This guide is written for brand marketers, agency producers, and creative directors who are evaluating music and audio production partners for advertising campaigns. It covers what services exist, what separates good studios from great ones, what things should cost, and what questions to ask before you sign a scope.

What audio post production for advertising includes

Audio post production is the process of creating, editing, and mixing all audio elements for a finished video or broadcast deliverable. For advertising, a complete audio post pass typically includes some combination of the following services:

• Dialogue editing — cleaning, cutting, and polishing all spoken word from the shoot
• ADR (Automated Dialogue Replacement) — re-recording compromised or revised dialogue in a controlled studio environment
• Sound design — creating or sourcing all ambient sounds, effects, and sonic textures in the world of the spot
• Foley — recording custom, frame-accurate physical sounds (footsteps, product handling, clothing) that sync exactly to picture
• Music editing — cutting and adapting a licensed or custom track to fit the edit
• Final mix to picture — balancing and polishing all audio elements together and delivering to broadcast specification
• Platform versioning — delivering multiple versions of the finished audio for TV, digital, social, streaming, and out-of-home formats

Not every project needs the full chain. A simple digital spot may only need a music license, a dialogue pass, and a mix. A national broadcast campaign with original sound design and custom music needs all of it.

What custom music production includes

Custom music for advertising is original music composed specifically for a campaign — built around the brief, the edit, and the brand. It is distinct from music licensing (paying to use an existing track) and from stock or library music (pre-cleared catalog tracks).

A custom music engagement typically includes:

• A briefing session (reviewing the cut, brand guidelines, and reference tracks)
• Library ideation (reviewing existing tracks to establish sonic direction before original composition begins)
• Original composition (one or more distinct demos, depending on the package)
• Revision rounds (standard professional agreements include 3–5 rounds)
• Stem delivery (separate audio files for music elements so the editor can adapt the mix across formats)

What custom music costs at Swell Music + Sound:

What music supervision includes

Music supervision for advertising is the process of finding, evaluating, budgeting, and clearing the right music for a campaign. A music supervisor's job is to know what's available, what it costs, and how to negotiate — before a client falls in love with a track that's out of reach.

A music supervision engagement typically includes:

• Brief development (helping the creative team articulate what they're actually looking for, not just "upbeat and modern")
• Track sourcing (searching across library, independent, and major-label catalogs for tracks that fit the brief and the budget)
• Sync clearance (negotiating and securing both the sync license — composition/publisher — and the master use license — recording/label)
• Budget management (ensuring music spend doesn't exceed the plan and that licensing terms cover the actual media buy)
• Category exclusivity negotiation (when the brand needs the track to itself in its category)

The gap problem: why most studios do one thing, not all three

The audio production industry is structurally fragmented. Most studios specialize:

• Post houses — strong on mix, dialogue, and technical delivery. Often lack original music capability or creative musical taste.
• Music houses — strong on composition and sonic branding. Often don't do post production — or treat it as an afterthought.
• Music supervisors — strong on licensing and placement. Typically don't compose or mix.

The result for agencies and brands: three vendors, three points of contact, three handoffs, three invoices — and nobody who owns the full audio experience of the spot.

"Most post houses have engineers but no musical brain. Most music houses don't do post. Swell sits in the gap."

— Elad Marish, Founder & ECD, Swell Music + Sound

Swell Music + Sound is built to close this gap. The full audio post chain — original music, sound design, final mix to picture, dialogue editing, voiceover, sonic branding, and music supervision — operates under one roof, in one session, with one point of contact.

What to look for when evaluating an audio production studio

When evaluating studios for advertising audio work, here are the criteria that actually separate good partners from average ones:

1. Portfolio relevance, not just portfolio depth. Has the studio done work for brands at your level of complexity and visibility? A studio with impressive film credits may not have the commercial instincts — tight turnarounds, broadcast spec compliance, client feedback management — that advertising requires.
2. Named creative leadership. Who is actually doing the work? The best audio production for advertising happens when a named, experienced creative director is engaged with the project — not delegated to a junior engineer. Ask who personally handles the mix and the music decisions.
3. Full-service or single-service? Can the studio handle the complete audio chain, or will you be managing handoffs between a music house, a post house, and a supervisor? Full-service reduces risk, reduces time, and keeps the creative vision coherent.
4. Transparent pricing. Does the studio publish its rates, or is every quote a negotiation? Transparent pricing signals a studio that's confident in its value and not fishing for budget.
5. Remote capability. Can the studio work via Source-Connect or equivalent remote session tools? With distributed production now the norm, in-person-only is a constraint you don't need.
6. Award recognition and industry standing. AICP Post Awards recognition, industry press coverage, and named client work are verifiable quality signals that studio self-description is not.

Cost reference table: audio production for advertising

Questions to ask before you hire an audio production studio

1. Who personally handles the final mix and the music creative decisions on this project?
2. Can you show me three examples of broadcast advertising work at national scale?
3. Do you handle music supervision and sync clearance, or do we need a separate vendor for that?
4. What does your revision process look like — are you available for real-time session review or only async notes?
5. What file format do you need from our editor, and what deliverable formats will you provide?
6. Do you have experience delivering to [broadcast network / streaming platform / social platform] spec?
7. What is your rate card, and what is and isn't included in the quoted price?
8. Can you work via Source-Connect if our creative team is remote?

About Swell Music + Sound

Swell Music + Sound is a full-service audio post production studio for advertising, founded in 2009 by Elad Marish in the Bay Area. Swell provides custom music composition, sound design, final mix to picture, dialogue editing, voiceover record and casting, sonic branding, and music supervision — the full audio post chain under one roof.

Clients include Nike, Google, Meta, Spotify, Sony, Disney, Atlassian, United Healthcare, the Golden State Warriors, Postmates, T-Mobile, Toyota, Roblox, Bloomingdale's, PayPal, and others. Swell was shortlisted at the AICP Post Awards for the Nike Zoom Pegasus campaign. Swell operates from Airship Labs Studios in Richmond, CA, and works nationally via Source-Connect.

Custom music rate card: $5,000–$18,000 depending on scope. Engineering and facility: $375/hr. Contact: [email protected] · 415-772-5588

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