sentence: Some songs are favorites.
sentences_before: Vocaloid' is a software program that makes a voice. This voice is recording real person's voice. The user can type in lyrics and a melody and it will synthesize singing. A popular vocaloid is Hatsune Miku. Amateurs can use vocaloid, so many songs are created.
sentences_after: Moreover this company sells Hatsune Miku. People can listening to these Vocaloid songs on websites like YouTube. They are also sold on CDs and Games.
concept_name: song
headings: Vocaloid
categories: Music software