APG550 is a vocaloid music producer as well as an utaite that sometimes sang using his own voice, as displayed in his album titled "All in your Hands". He mainly produced rock music with influences of metalcore, post-hardcore and screamo from time to time. The vocaloid that he kept using are mostly Hatsune Miku, GUMI, and Kagamine Rin. As for now, the album that he had released or collaborated in so far are titled Lost day never again, Sequence, GUMI Rock Splash, All in your Hands and many other. http://vocadb.net/Ar/188 <a href="https://www.last.fm/music/APG550">Read more on Last.fm</a>. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.