Daniel Guillén was born in Zaragoza, Spain, where he currently lives. He was classically trained as a pianist and graduated in Hispanic Philology. Driven by his love for ambient and experimental electronic music, he taught himself sound synthesis and music production. In 2015 he recorded some early demos of what would be his Lunaria project, and a year later a debut album was released on the Sounds of the Dawn label.

His influences include sacred organ and choral music, 70s and 80s electronic and kosmische music, early new age, psychedelic folk and drone, and the works of many experimental artists, mostly in the ambient territory. He has a deep interest in meditation, dreams, mysticism, mythology and symbolism, all of which have had a great influence in his approach to creation.

Daniel's compositions are recorded for the most part with a variety of synthesizers and effects, sometimes including organic sounds and field recordings too. They cover from melodic synth pieces to evolving atmospheres that often feel like calm yet adventurous journeys, dynamic and serene at the same time. His music has mostly been released on cassette by well-known international labels such as the aforementioned Sounds of the Dawn, Constellation Tatsu, Aural Canyon, Muzan Editions, Inner Islands and others. From his home studio, he continues experimenting with soundscapes designed to evoke a sense of the numinous and to help both himself and the listener explore the world of Imagination.