Sound Decoded: The Hidden Cost and Structural Failure of Share of Voice in Modern Branding

By Global Brand & Media Analyst Desk
Published: September 2026

Executive Summary: The Great Asymmetry in Marketing

Spend ten minutes in a strategic alignment meeting with a seasoned media director, and you will be met with an orchestration of exactitude. You will receive a precise calculation of share of voice (SOV), a granular tracker mapping performance against share of market (SOM), and a predictive forecast spanning the next four quarters. The math is rigorous, derived from decades of econometric modeling, and the reporting cycles happen weekly. It is, by all accounts, an adult conversation.

However, cross the room and spend those same ten minutes asking that exact same individual about the music, the sonic identifiers, or the audio architecture deployed inside that high-stakes media footprint, and the institutional rigor evaporates. The response inevitably shifts into an arena of subjective intuition: The track was “a really nice find from the agency.” The creative brief demanded something “optimistic and modern.” The creative director (CD) signed off because the audio bed “just felt right in the room.” For the subsequent campaign, the brand will deploy an entirely different track, sourced from a different stylistic reference point, and commissioned by an entirely different sub-team.

This scenario highlights a staggering paradox within modern enterprise marketing: The exact same brand operates with two completely separate budgets and two entirely disparate discipline cultures. One treats share of voice as a scientific planning lever, while the other treats music and sound as an afterthought—a mere finishing touch. According to recent industry analyses, this persistent gap quietly costs brands more in leaked equity, wasted impressions, and diluted mental availability than almost any other production decision they make.

Main Facts: The Anatomy of Audio Neglect

The foundational models governing modern media spend rely on well-established relationships between visibility and growth. Yet, these models historically suffer from a blind spot: they measure the presence of a brand while entirely ignoring its sonority.

• The SOV/SOM Framework: The bedrock of contemporary media strategy traces back to John Philip Jones’ seminal 1990 research in the Harvard Business Review, further expanded by Les Binet and Peter Field through their exhaustive analyses of the IPA Databank. The core axiom is clear: brands whose Share of Voice exceeds their Share of Market tend to grow. Industry shorthand dictates that every ten points of positive Excess Share of Voice (ESOV) yields roughly half a point of annual market share growth, multiplied by creative effectiveness.
• The Missing Sonic Variable: While visual identity is stringently guarded through rigid brand guidelines—enforcing uniform logos, standardized color palettes, and locked typography—sound remains entirely unmanaged. Brands purchase massive amounts of ESOV, yet broadcast a rotating portfolio of acoustic folk, electronic textures, sweeping orchestral arrangements, and generic library cues.
• The Economic Impact: The lack of a unified sonic framework means that media spend buys physical impressions, but fails to plant a consistent brand fingerprint. The consumer experiences a series of disconnected sonic presences attached to a single logo, causing the compounding psychological recognition loops required for brand growth to leak out through the speakers.

Chronology of the Audio Awakening: From Channel Validation to Sonic Governance

To understand how the industry arrived at this systemic failure, it is necessary to trace the evolution of how brands evaluate audio over the past three decades.

Phase 1: The Quantitative Foundation (1990–2010s)

• 1990: John Philip Jones publishes his framework linking Excess Share of Voice to market growth in the Harvard Business Review, changing how boardrooms defend marketing expenditures. Media spend is successfully quantified, turning reach into a defensible science.
• 2010s: Les Binet and Peter Field solidify the long-term effectiveness multiplier of creative quality against ESOV. However, creativity in these models remains overwhelmingly visual; audio is categorized under general production overhead rather than structural brand strategy.

Phase 2: The Channel-Level Reckoning (2020–2025)

• 2020–2022: As digital audio, podcasts, and streaming platforms surge, marketers begin shifting budgets toward sound-enabled environments. Early adopters realize that audio commands deeper engagement than traditional display ads, yet music selection remains at the whim of individual production houses and agency creatives.
• 2024: Industry discussions pivot toward distinctive brand assets. While visual assets (shapes, colors) receive dedicated tracking, sonic assets are largely limited to isolated "sonic logos" (e.g., the Intel chime or Netflix ta-dum) rather than holistic brand soundscapes.

Phase 3: The Era of Sonic Governance (2026 and Beyond)

• 2026: Spotify releases its landmark Sound-On Era report, providing empirical weight to what progressive brand teams long suspected. The argument for audio investment at the channel level is officially won, forcing marketers to confront the chaotic nature of the music inside those channels. Industry thought leaders begin advocating for "mDNA" (music DNA) as a mandatory component of brand governance.

Supporting Data: The Hard Numbers Behind Sound

The reluctance of brand teams to treat music with the same mathematical gravity as media spend is increasingly difficult to justify in light of contemporary data. The channel-level case for audio is no longer a matter of debate; it is an economic certainty.

Consumer Behavior and Trust Metrics (Spotify 2026 Sound-On Era Report)

• 92% of US consumers actively stop other online activities specifically to stream audio content.
• 87% of users routinely silence or minimize videos on secondary platforms simply to listen to preferred audio feeds.
• 36% higher consumer trust is recorded for audio advertisements (music or podcasts) compared to standard social media feed ads.

Return on Investment (ROI) and Marketing Mix Modeling

• 4x to 8x ROI: According to LinkedIn’s Hilary Batsel, marketing mix modeling reveals that incremental revenue generated from audio investments yields an exponential return of four to eight times the initial outlay.

Despite this robust empirical backing, the underlying music carrying these high-yielding campaigns continues to be chosen via subjective instinct rather than data-driven frameworks.

Official Perspectives and Industry Insights

Top-tier marketing executives and brand strategists have begun sounding the alarm regarding this strategic disconnect.

"Brands need to stop thinking about audio as a bolt-on, and start thinking about it as a foundational element to their plan."
— Tammy Henault, former Chief Marketing Officer at the NBA, Paramount+, and the New York Times

Henault’s perspective underscores a fundamental truth: if audio is foundational to modern media consumption, the music housed within it cannot function as mere sonic wallpaper.

Shai-Caleb Hirschson, a leading voice in sonic branding and strategy, argues that the industry’s hesitation stems from a false dichotomy. "Music isn’t visual identity—you can’t just grid it. Music is emotional, contextual, mood-driven," Hirschson notes. "True. But you also can’t grid color the way you can grid layout, and that hasn’t stopped brands from defining color palettes and measuring how consistently they show up."

Hirschson champions the implementation of mDNA (music DNA)—a defined set of operational parameters (covering tempo, key, harmonic palette, instrumentation, and rhythmic feel) that codifies brand intent without stripping away creative originality.

Implications: What Happens When Brands Adopt Sonic Rigor?

Transitioning from curatorial guesswork to structured sonic governance unlocks four massive operational and economic advantages for enterprise brands:

1. The Elimination of Taste Arbitration

In traditional workflows, the most expensive recurring meeting is the subjective debate where stakeholders argue over which of four tracks “feels right.” Introducing a codified parameter set shifts the dialogue from "I prefer this track" to "This track aligns with our brand definition, while this one violates it, and here is the exact compositional data proving why." This results in faster, calmer, and entirely defensible decisions.

2. Global Portability for Multi-Market Campaigns

Relying on reference tracks forces international teams to mimic specific pieces of music—a practice fraught with legal liabilities and off-brand executions. A portable parameter set travels seamlessly across thirty global markets, producing localized work that remains cohesive without sounding repetitive.

3. Pre-Campaign Testing and Validation

While taglines and digital thumbnails undergo rigorous pre-testing, music rarely faces empirical screening due to a lack of evaluative frameworks. With a defined sonic parameter set in place, candidate tracks can be scored against brand objectives before a single media dollar is spent, placing the most emotionally consequential production choice on equal footing with visual assets.

4. Visibility Into Brand Drift

Most marketing teams cannot answer a fundamental question: "How on-brand has our music been over the last twelve months?" Establishing a scoring system allows brands to immediately identify which campaigns sit comfortably within their sound, which reside on the edge, and which fall completely off the map—revealing precisely where equity leakage is occurring.

Conclusion: Closing the Three Gaps

The persistent asymmetry between how brands plan their visual and media strategies versus how they plan their sound is no longer defensible. The frameworks, psychological data, and measurement infrastructures required to manage audio strategically already exist.

What remains missing is the operational will to treat sound as a core component of the brand voice rather than an artistic decoration layered on at the eleventh hour. A brand maintaining rigorous Excess Share of Voice planning while practicing casual music governance is essentially asking its capital to achieve an outcome its internal architecture is fundamentally unbuilt to deliver.

Closing the three existing gaps—underbriefing, underauditing, and underleveraging—does not require the creation of a bloated new corporate department. It simply demands applying the exact same professional standards to sound that the industry already enforces across every other element funded by the marketing budget. That is the work: slow, structural, and immeasurably more valuable than buying another quarter of media weight for a brand that sounds like a stranger to its own audience.