“Tudum” in 3 Seconds: What Brands Can Learn From Netflix

When marketers dissect famous sonic logos, they almost always look at the same thing: the melody. Which notes, which instrument, what mood. Yet research points to something uncomfortable — two sonic logos with comparable exposure can be worlds apart in recognition. And the difference isn’t in the notes. It’s in the decision about where and when a brand lets itself be heard. That decision is worth taking apart — because unlike Netflix’s budget, you can copy it.

Play First, Win First: The Netflix Mechanism

A 2024 study by Ayada and Ragab measured the recognition of major digital platforms’ sonic logos. Netflix’s score: 94% of participants recognize the “tudum.” That’s a level most brands can only dream of — and one that’s easy to shrug off with “well, it’s Netflix, they can afford it.”

Except exposure doesn’t explain everything. The key is a mechanism the researchers point to directly: Netflix places its sonic logo at the beginning of the content. Before the show starts, every viewer hears the “tudum” — at the exact moment their attention is at its fullest and the screen belongs to the brand alone. You can’t skip past it absentmindedly, and you can’t not hear it. The researchers call this forced exposure.

Do the math on what that means. Every time someone hits play, that’s one full-value repetition of the sonic logo under conditions of maximum attention. Not at the end, when the viewer is reaching for their phone. Not in the background, while they’re mid-conversation. Right at the start, while they’re waiting for the very content they came for. Netflix doesn’t buy that attention separately — it comes bundled with its own product. That’s a design decision, not a lucky break.

TikTok Has a Sound Nobody Sticks Around For

The best proof that placement is what matters is a counterexample from the same study. TikTok’s sound is recognized by 70% of participants. Still a lot — but between 70% and 94% lies a gap the platform’s scale can’t explain. TikTok certainly has no problem with reach or frequency of contact.

The difference Ayada and Ragab point to: TikTok places its sound at the end of the content. And the end is the moment when the user’s attention has already drifted — the thumb is swiping to the next video, the brain is processing what it just watched. The sonic logo plays to the back of a viewer who’s already walking out the door.

For a marketer, this is a lesson cheaper than any campaign: before you ask how your brand sounds, ask when it sounds. The same sound placed in a moment of full attention versus a moment of distraction is, in practice, two different assets with two very different values.

Now apply that to your own media. If your sonic logo only shows up in the final second of your ad — right where the viewer already knows the spot is ending and has mentally checked out — you’re paying for a full airing of your signature and getting a fraction of it. Simply repositioning the sound in your existing materials can be the cheapest optimization in your entire media plan. It requires no new production and no extra budget. It requires a decision.

What the Winners Share: Simplicity, Consistency, Placement

Placement, though, is just one of the three legs the world’s strongest sonic logos stand on. Line up the leaders side by side and the common denominator comes into sharp focus.

First: simplicity. McDonald’s “I’m Lovin’ It” is five notes — a melody so short it fits every format and every channel. In focus group studies, 68% of participants recognize it. Second: consistency measured in decades, not campaigns. McDonald’s has been playing the same melody since 2003. The strongest sonic logos work for their brands for over a decade without touching the core — sound recognition is compound interest, and it only accrues if you don’t close the account every two years. Third: strategic placement — the Netflix mechanism. The sound plays where the attention is, not wherever there happened to be room left in the edit.

Notice what’s not on that list. No “genius melody.” No superstar in the studio. None of the three pillars requires Netflix’s budget — but every one of them requires the kind of managerial discipline most brands lack.

One Skeleton, 200 Arrangements, 53 Languages

What that discipline looks like at full scale is best shown by the rollout at one of the global payment brands. In 2019, it unveiled a sound system it had spent 24–26 months developing. Over two years of design work — not recording a jingle, but building an architecture: one melodic skeleton and more than 200 arrangements, adapted to markets and contexts across 53 musical and cultural languages.

That range only makes sense under one assumption: the brand’s sound has to play everywhere the customer touches it. Not just in a thirty-second spot. Also in the app, on the customer service line, across digital materials and — most importantly in this industry — at the point of sale, at the moment of the transaction itself. The full customer journey, from the TV screen to the payment terminal. Every touchpoint plays the same identity, just in a different arrangement.

Pay attention to the “one skeleton, many arrangements” logic. It resolves a tension every brand manager operating across multiple markets knows well: global consistency versus local relevance. Instead of choosing between one sound for everyone and a separate sound for every market, you design a fixed melodic core with local interpretations built around it. Customers in every country hear “their” music — and still the same brand.

The second takeaway from this case: a rollout like this is not a one-quarter marketing department project. Two years of work on a system covering every touchpoint is a board-level strategic decision — carrying the same weight as a visual rebrand or a change in brand architecture. Sonic branding at this scale is treated as infrastructure, not a campaign.

You Don’t Have to Be Netflix. You Have to Be Consistent

After examples like these, it’s easy to conclude: “that’s not our league.” That’s the wrong lesson. The scale of Netflix and the global systems is out of reach for most companies — but the mechanisms behind them can be copied at any scale. Because none of them runs on money.

Here’s what you can carry over to your own brand:

• Play first. Find the moments of full attention in your customer journey — the start of a webinar, the greeting on your customer service line, the app launch, the opening of a video — and put your sonic logo there instead of tacking it onto the end of a spot.
• Freeze the core. Pick a simple motif and stop changing it with every campaign; build freshness through arrangements, not new melodies.
• Cover the customer journey. Take inventory of every touchpoint where your brand makes a sound — or could — and check how many of them sound consistent today.

That last exercise tends to be the most sobering one for companies. It usually turns out the brand has sound in its advertising, silence in its app, random hold music on its phone line, and default system sounds everywhere else. Netflix doesn’t win because it has a better three seconds. It wins because those three seconds play always, everywhere, and at the best possible moment. Our case studies show that the systematic approach works in the Polish market, too.

Sonic recognition is not a privilege reserved for giants. It’s the result of three decisions — what we play, for how long, and in which moment of attention — made once and held for years. The melody is the smallest of them.

Sources

• Ayada & Ragab (2024) — study on sonic logo recognition: Netflix (“tudum”) 94% vs. TikTok 70%; the authors attribute the gap to sound placement at the start vs. the end of content.
• Focus group studies of McDonald’s “I’m Lovin’ It” sonic logo (5 notes, in use since 2003) — 68% recognition.
• Publicly documented sound system rollout by a global payment brand (2019) — 24–26 months of design, over 200 arrangements, 53 languages.

Want to know how your sound stacks up against the category leaders — and at which touchpoints your brand is silent today? We’ll benchmark your sound against the best in your industry. Let’s talk — the first conversation costs nothing but three seconds of your attention.