Mathias Grassow

Mathias Grassow (9 May 1963 – 13 August 2025) was a German ambient musician whose recordings can also be classified in the genres of dark ambient and drone ambient. His music often has a meditative and emotional and spiritual context, which induces deep feelings of introspection in listeners. Over his long career, he collaborated extensively with other notable ambient composers such as Klaus Wiese, Oöphoi, Alio Die, and Tomas Weiss.

Life and career Grassow was born on 9 May 1963. He played drums and guitar in the 1970s and moved on to keyboards in the early 1980s. Later, he became interested in keyboards and electronic synths. He had an interest in Alan Watts books and spirituality. His interests progressed from Buddhism to Sufism and to the mystical side of Christianity. He became interested in overtone and subharmonic chants, long deep synthesizer drones, and in Indian classical music. Later he was influenced by the singing bowl sound recordings of Klaus Wiese. Grassow died on 13 August 2025, at the age of 62.

Discography Notable albums include the following:

1991, Prophecy 1993, In Search Of Sanity 1997, Namakar 1998, Elixir 1998, Himavat 1999, Dissolution 1999, Himalaya 2000, Cosmic Chasm 2000, The Fragrance Of Eternal Roses 2006, Dronament 2006, Opus Posthumum 2007, Deeper Purity 2009, Calibration