Related Information for 5150 There are multiple bands called 5150:1. Doujin Cirle known for arrangements in the power metal and symphonic death metal genres under specifically the シンフォニック東方 (Symphonic Touhou) series. Their songs are composed generally by ryu-5150 who is a Japanese composer, musician, male vocalist and lyricist. He’s best known for making Touhou arrangements in the power metal and symphonic death metal genres.2. A h.. read more