Layer III of MPEG-1 and MPEG-2 audio, also known as MP3, is commonly used method of lossy compression for digital audio encoding. MP3 test suite can be used to test robustness, security and reliability of implementations using MPEG audio based formats.
Information technology - Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s - Part 3: Audio (MPEG-1 Audio)
Information technology - Generic coding of moving pictures and associated audio information - Part 3: Audio (MPEG-2 Audio)
ID3v2 metadata container
ID3v1 metadata container
APE metadata container