Introduction: What is "Kho Nhac Lossless"? In the Vietnamese music community, the phrase "Kho Nhac Lossless" (literally "Lossless Music Warehouse" or "Lossless Music Library") refers to a collection, website, or shared drive containing audio files compressed without losing any sonic data. Unlike MP3s, which discard "unnecessary" frequencies to save space, lossless formats (FLAC, WAV, ALAC, APE) preserve every bit of the original recording.