reproducing birthday song via 星野アイ‘s tone
To see exactly what is achived, compare the "Happy birthday (Japanese version) Audio Extracted_01_(Vocals)_(Vocals)_vocal_only.wav" (the original vocal input) with "Vocals_hoshino_ai_0key_0.85_sovdiff_4.wav" (desired output in 星野アイ's tone) to see the difference