Google has released its Lyria 3.5 music generation model inside Google Flow Music, citing improvements in musicality, lyric handling, vocal quality, and creative control over the previous version. The listed improvements are worth reading closely because they describe where generative music has actually been failing. Musicality is the catch-all for structure: whether a generated track has a discernible arrangement rather than a texture that continues for two minutes. Lyric quality has been the weakest link in every commercial system, since a model that produces plausible melody and instrumentation frequently produces words with no internal logic.