Richard Hecks and His Nouveau Flamenco Band Luna Blanca. Luna Blanca, based in Bocholt, Germany, was founded at the beginning of the millennium by acoustic lead guitarist Richard Hecks. The other mainstay of the group is pianist Helmut Graebe, who joined the group just before they recorded the first album, and now co-writes the music with Hecks. Both on record and in concert they add other musicians as needed to create their sound with drums, percussion, bass, one or more acoustic rhythm guitars, organ, occasional vocalizing, etc.