This remix was played in clubs in 1993–1994 but has never been reissued. The only way to hear it in FLAC is to rip the original CDM. YouTube has degraded uploads (128 kbps AAC), but those do not count.
Tidal’s “HiFi Plus” tier streams in FLAC (16-bit / 44.1 kHz). The track “What’s Up?” is available. However, Tidal uses the album version, not the CDM remixes. 4 Non Blondes - What-s Up -CDM- -FLAC- - UP BY ...