Winamp

Winamp is a program used to play music on a computer. It appeared in 1997 for the Windows operating system, that is, for the software that actually makes a PC usable in the first place. At the time, it was new for music to exist as a file on the hard drive rather than on a CD. Winamp was one of the first programs to handle this conveniently and quickly. Millions of people downloaded it, and for many it was the first program they ever fetched for themselves from the internet. It was developed by the small company Nullsoft, founded by the then 18-year-old Justin Frankel.

Why a music player made technology history

Winamp emerged during a time of upheaval. A new file format called MP3 shrank music tracks to roughly a tenth of their size without a clearly audible difference in sound. Only this made it possible for hundreds of songs to fit on a hard drive of that era. And only this made it possible to send them over the slow internet connections of the 90s.

Winamp was the tool people actually used to listen to these files. As such, it stood at the beginning of an entire chain: music-sharing services like Napster, portable MP3 players, later the iPod, and eventually streaming services like Spotify. During these years, the music industry lost control over how people obtained music. Winamp was not the cause, but it was the visible face of this shift.

The rise was also economically remarkable. In 1999, the internet company AOL bought the small firm Nullsoft for around 80 million dollars. After that, however, things went downhill: AOL only hesitantly continued developing the program, while Apple offered a complete package of player and music store with iTunes. Winamp became the standard example of how a market leader can miss a technology wave.

Skins, plugins, and the visualization

Technically, Winamp was deliberately small and lean. It started up in seconds and barely burdened the processor, which was crucial on the weak PCs of the time. The core of the program only did what was absolutely necessary: read in the file, decode it, pass it on to the sound card. Everything else was added from outside.

This “everything else” ran through two mechanisms. Skins are interchangeable interfaces that change the player’s appearance, similar to a phone case. Plugins are small add-on programs that retrofit new functions, such as support for another file format. Anyone was allowed to build both, and thousands of users did. Collections with tens of thousands of skins emerged.

The visualizations became especially well known. These are plugins that compute moving patterns from the sound as it plays: bars, waves, colored tunnels. To do this, the program analyzes how much energy is present in high and low tones and translates these values into images. This principle of open extensibility can be found today in browsers with their add-ons.

Winamp today and in retrospectives

The program still exists. After several changes of ownership, the rights now belong to a Belgian company that offers a revamped version for Windows and mobile devices. In 2024, Winamp made headlines once again because parts of its source code were made public. Source code is the human-readable blueprint of a program. However, the conditions attached to this were so restrictive that it drew a lot of criticism from developers.

In everyday life, you mostly encounter Winamp as a quote. The tagline “It really whips the llama’s ass” from its startup sound is a well-known internet meme. In tech articles, the name comes up in connection with missed opportunities of major corporations or nostalgia for the early internet era.

For you, this entry is interesting for a different reason. Winamp shows that software succeeds when it handles one thing quickly and without obstacles. And it shows how quickly this lead can vanish as soon as users' habits change. It took less than ten years to go from music files on one’s own hard drive to streaming from the internet.