Well, personally I'm really stunned with Mitchie M tuning!! Well, all of his work with Miku, she's sound very human. HNGNHNGHHH!! //explode
His amazing work :
Viva Happy (my fave personally) : https://www.youtube.com/watch?v=WiUjG9fF3zw
Well, for fandom, Idk too much great UTAU user, but...