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But to view the song this way is to miss the dark, jagged heart of the track. "What’s Up?" is not a celebration; it is a panic attack set to music. It is a song about the specific, crushing weight of trying to be a human being in a world that demands conformity. And thanks to the preservation of high-fidelity formats—indicated by those specific file tags like "FLAC" and "CDM" in digital archives—we can still hear the raw, unpolished desperation in Linda Perry’s voice that made the song an accidental masterpiece. 4 Non Blondes - What-s Up -CDM- -FLAC- - UP BY ...