CD's 43-year journey, from technological experiment to global standard, tells the story of how global collaboration and bold engineering reshaped an entire industry. More than just a music format, the CD changed the way people listen to, store and share information, laying the foundation for modern digital media and personal computing. Its legacy still reverberates in music culture and digital technology today.

On August 17, 1982, engineers at a PolyGram factory in Langenhagen, Germany, pressed the first commercial CD, which contained the album "The Visitors" by the Swedish pop band ABBA. The event marked the birth of a format that would reshape the music and computer industries for decades to come. Although "The Visitors" was released in late 1981, it was chosen as the first CD to symbolize the transition from analog records and tapes to a digital audio future.
The concept of optical discs has been brewing for a long time. In the late 1970s, Dutch electronics giant Philips and Japanese company Sony each launched independent research and development on digital audio disc technology. Philips developed prototypes of CD players and attempted to establish international standards, while Sony had advanced digital encoding and error correction technology. After Philips demonstrated its prototype in Japan in 1979, the two companies agreed to collaborate and established a joint working group to develop CD technology and specifications.
In an intense collaboration, we made several key engineering decisions. Among them, the diameter of the record is set at 120 mm, and the playing time is slightly longer than 74 minutes. According to those involved at the time, this length was based in part on the capacity needed to accommodate landmark recordings of classical music such as Beethoven's Ninth Symphony.
The disc uses lasers to read the digital data encoded on its surface, employs octal to quadregular modulation (EFM) for efficient storage, and CIRC (Interleaved Reed-Solomon code) for error correction. The resulting Red Book standard was finalized in June 1980 and became the technical basis for the entire CD audio market.
When CDs finally came out, they achieved a quantum leap in sound quality and durability, eliminating the pops and crackles common to vinyl records. CDs also brought new conveniences, such as the ability to skip tracks on the fly and the ability to replay music without wear, that set it apart from analog formats.

By the early 1980s, hundreds of records in the new format were being released, and CD players began to appear in hi-fi stores around the world. Although many were skeptical about the long-term viability of this emerging and expensive technology, CD sales grew rapidly. In the United States, CD album shipments peaked in 2000 at nearly 943 million units.
The impact of CDs extends far beyond music. In 1985, the Yellow Book standard defined CD-ROM, enabling optical discs to store binary data and software. Three years later, the ISO 9660 file system established a cross-platform directory and file structure that enabled CDs to serve as a universal medium for applications, archives, and multimedia content across operating systems. This portability was an important factor in the widespread adoption of CDs in personal and enterprise computing.
By the early 1990s, the advent of CD recorders and writable optical discs allowed consumers to create their own audio and data CDs, turning the format into a distribution channel and personal storage solution.
For a decade, software installation, driver distribution, and even operating system releases have relied on CD-ROMs. Although streaming and digital downloads have replaced physical media, CDs still have a place among music lovers due to their fidelity and durability. In computing, this medium has largely disappeared from daily use, although various forms of optical drives still exist for accessing legacy software and archived data.