How Shazam went from a 4-digit Phone Number to $400m with Chris Barton, Founder - Modern CTO Recap

Podcast: Modern CTO

Published: 2025-12-29

Duration: 41 min

Guests: Chris Barton

Summary

Chris Barton discusses Shazam's journey from a unique phone-based music recognition service to its eventual sale to Apple for $400 million, highlighting the innovative challenges faced and the strategic pivots made along the way.

What Happened

Shazam's journey began in 2000 when Chris Barton and his co-founders created a mobile-specific application eight years before apps existed. They launched the service in the UK as a phone number where users could call to identify songs, a concept developed before the iPhone, iTunes, or any digital music market was established.

Initially, Shazam struggled to gain traction with its original model, which charged users to identify songs via a short code phone number. Despite significant marketing efforts, it failed to attract enough users to sustain the business financially. For six years, they burned through cash, searching for ways to stay afloat until the App Store's launch in 2008 provided a turning point.

The App Store's debut allowed Shazam to experience significant user adoption, leading to interest from top-tier venture capitalists like Kleiner Perkins. This change in dynamics marked a dramatic shift for Shazam, which previously had difficulty raising funds and maintaining operations.

To survive financially before the App Store, Shazam pursued various strategies, including international expansion and a white-label approach, partnering with companies like Vodafone and Motorola. They also developed a B2B side business by leveraging their superior music recognition technology to monitor radio stations for royalty collection.

The name 'Shazam' was chosen to reflect the magical experience of identifying a song by simply holding up a phone. Barton emphasized the importance of eliminating friction in creating new user experiences, an insight that was pivotal in Shazam's eventual success.

Chris Barton detailed the technical challenges faced, including inventing a new algorithm for music recognition that could handle noise and scale. They hired Avery Wang, a Stanford PhD, as their fourth co-founder, who was instrumental in overcoming these challenges with his expertise.

The episode also includes Barton's personal journey and the lifestyle choices that influenced Shazam's launch in London, highlighting the global centers of mobile technology at the time and the strategic decisions made to leverage these locations.

Key Insights

• Shazam initially launched in 2000 as a service in the UK where users could identify songs by calling a four-digit phone number, predating the existence of digital music markets and smartphone apps.
• Before the App Store's launch in 2008, Shazam struggled financially by charging users for song identification and pursued alternative revenue streams, including partnerships with companies like Vodafone and Motorola, and a B2B service monitoring radio stations for royalty collection.
• The development of Shazam's music recognition technology required inventing a new algorithm capable of handling noise and scaling, a challenge addressed by Avery Wang, a Stanford PhD and Shazam's fourth co-founder.
• The name 'Shazam' was chosen to evoke the magical experience of identifying a song instantly, reflecting the company's focus on creating a seamless user experience with minimal friction.