This naming convention is typical in high-fidelity music circles to indicate the source and quality of the files:
The opening track features double-tracked bass guitars and heavy panning. In a high-quality FLAC rip, the separation between the two bass tracks (played by Roger Waters and David Gilmour) remains distinct and visceral. Pink Floyd - Meddle -1971- 1988 -EAC - FLAC--oa...
Here is why that is a helpful feature for digital audio files: This naming convention is typical in high-fidelity music