I finally figured out how to get Defoko to sing, but sometimes when she sings it's silent. For example I tried to get her to sing "私" and it won't work, but she can sing "あ" and "ら". I'm using the Japanese keyboard and i'm pressing enter after I type in the lyric box so I'm not really sure what the problem is. (I set my system local to Japan before I downloaded Utau).