Week 2️⃣ 4️⃣

A few seconds of sound can instantly make a brand seem recognisable. Whether it is a sequence of piano notes, a lion’s roar, or the hiss of a bottle opening, these sounds become tightly linked to specific companies in our minds. This is the power of the sound logo. Also known as an audio logo or sonic brand, it is a short, distinctive sound designed to represent a company or product. The most effective examples work instantly, embedding themselves in memory and emotion. In a world saturated with visual advertising, sound offers a way to connect even when no screen is in sight.

Some of the most famous examples come from the world of entertainment. The Netflix "ta-dum," composed by Hans Zimmer, was crafted from the recording of a single plucked guitar string. It lasts three seconds and plays on every device, from a mobile phone to a cinema screen. THX went further with its "Deep Note," a thirty-second surge of synthesised voices converging into one enormous chord, designed to demonstrate the power of a sound system. MGM took a different approach, using the roar of a real lion, recorded and refined over decades.

Technology brands have been equally creative. Intel’s five-note bong, composed in 1994 by Walter Werzowa, became one of the most widely heard sounds in the world, playing somewhere every few minutes at its peak in the '90s. The Windows '95' startup chime was created by Brian Eno, who produced 84 versions before finalising a sound that met a brief calling for something inspiring and universal in under four seconds! Apple’s startup chord, composed by Jim Reekes, became so iconic that its removal in 2016 sparked backlash from users.

Consumer brands have also mastered the form. Coca-Cola has spent decades refining the sound of a bottle opening and pouring, knowing the fizz alone can trigger thirst. McDonald's five-note whistle, launched in 2003, became one of the most recognisable sounds globally. T-Mobile’s distinctive five-note jingle is treated as a trademark, and the company has taken legal action to protect it.

In each case, the lesson is clear. The right sound, used consistently, can be as valuable as any visual identity. Brands aren't just something you see, they are something you hear.

Quiz answers:

1. Netflix
2. HBO
3. THX
4. Coca Cola
5. MGM
6. Intel
7. Apple startup
8. McDonalds
9. Windows XP
10. T-Mobile