Naturalness comes from rhythm and pronunciation. If lyrics fit a natural cadence and the model knows the vocal style, the singing sounds far more human.
Phrasing is everything
Read your lyrics aloud against an imaginary beat. If a line feels cramped or breathless, the AI will sound forced too. Trim and balance lines for a natural flow.
Pick the right tool for the language
For Indian-language vocals, a tuned model matters. Autunes (Zori3) pronounces Hindi, Punjabi and Bhojpuri authentically, which immediately removes the 'foreign accent' that makes other tools sound robotic in these languages.