Streaming Music, Podcasts, & Audio 75 75 people found this article helpful What Is Music Tagging? What is song metadata and why is it hidden in your digital music files? By Mark Harris Writer Mark Harris is a former writer for Lifewire who wrote about the digital music scene and streaming music services in an easy to understand, no-nonsense manner. our editorial process Mark Harris Updated June 03, 2019 Geber86 / Getty Images Music, Podcasts, & Audio Music For Your Life Audio Streaming Podcasts Radio CDs, MP3s, & Other Media Tweet Share Email Music tagging is the method by which music metadata is is labeled with data information such as file format, author, artist, file size, genre and much more. Music metadata, which is also referred to as ID3 metadata, is the information embedded in an audio file that is used to identify the content. This data which is in most (if not all) of the files in your digital music library, can be used by a wide range of consumer electronic devices and software programs. The most common reason for using embedded metadata in a digital audio file is for identification purposes. The details of a song, for example, can be displayed during playback to make it easy for you to identify it. That's where tagging comes in. Tagging identifies metadata so other programs can identify it. About Metadata Depending on the audio format used, a special area — normally at the start or end of the file — is reserved for metadata that identifies the encoded audio in several ways. This information can be useful for managing and organizing your library. Examples of the types of information that can be stored in an audio file's metadata area include: Song titleBand or artist's nameAlbum name that the song originates fromType of music (genre)Album track numberYear the song was released For the MP3 format, the two common metadata systems that are used for tagging audio files are called ID3v1 and ID3v2 — this is where the term ID3 tags comes from. The first version of ID3 (v1), stores the metadata information at the end of an MP3 file with allocated space for up to 128 bytes of data. In version 2 (ID3v2), the metadata is located at the start of an MP3 file and is a frame-based container format. It is far more capable and has a much larger capacity for storing metadata — up to 256 Mb. How to View or Edit Music Tags Music metadata can be edited and viewed using various types of software: MP3 tag editors such as MP3Tag and MusicBrainz Picard.Software media players including Windows Media Player and iTunes.Music library managers such as MediaMonkey and Helium. The Benefits of Using Music Metadata on Hardware Devices The advantage of using music metadata on hardware devices such as MP3 players and CD players is that the song information can be directly displayed on-screen (if there is one). You can also use metadata to organize your music library and create playlists directly on the hardware device. For example, on most modern MP3 players, it is easy to select only the songs by a particular artist or band to be played by using the artist metadata tag as a filter. You can quickly cherry-pick songs using this method in other ways too for fine-tuning your music selections.