Genre: Industrial/Darkwave/EBM. Hora is a Japanese musician and composer who began his musical career in 2000 as keyboardist for Velvet Eden. He left the band a year later to form Rudolf Steiner with ex-ISOLA member Kaya. After releasing two demos and signing under Mana's record label Midi:Nette, the band changed their name to Schwarz Stein, meaning "black stone". During both groups, Kaya sung the vocals and wrote the lyrics while Hora did keyboards and programming.