Many public "Kuzu V0" playlists on YouTube are re-uploads that have been compressed twice (lossy upon lossy). If the video has the YouTube "Auto" quality tag, you are not hearing V0.
Given that Kuzu V0’s catalog is small (estimated 30-40 tracks total), you will eventually need to expand. Here is a power-user tip: use Spotify’s "Song Radio" or YouTube’s "Recommended" on a core track, but apply a strict filter. Exclude any track with: kuzu v0 playlist
A quality playlist will also feature these artists who share the sonic DNA: Many public "Kuzu V0" playlists on YouTube are
You can explore the different iterations of the Kuzu v0 playlist across several major streaming services: kuzu v0 playlist