Someone plz tell me who Hatsune Miku is...

Oh. It's just that on Pandora whenever *brain fart* that high pitched music comes on the picture is always her...

VOCALOID is a voice synthesis technology and software developed by Yamaha. Just put in a melody and lyrics and your virtual singer will sing for you. Adjust the detailed settings to change the singing style however you like. There's also a wonderful variety of Voice Banks. Choose a voice and character you like to match the music you want to make.