Daniel Löwenbrück (b.1974) is a German performance artist, composer of tape-music, (sometimes) visual-artist & curator.

As a performance artist and composer of tape-music he performed internationally since the late 90's as part of the Schimpfluch-Gruppe (with Rudolf Eb.er, Dave Phillips, Joke Lanz), as a duo with singer and performance artist Doreen Kutzke, as part of Ohne (with Tom Smith, Dave Phillips, Reto Mäder), with Swedish conceptual artist Leif Elggren, with Brazilian video- and sound-artist Marcellvs L. as Stallgewitter, and solo as Raionbashi and under his own name. He performed in New York, Sao Paulo, Bordeaux, Paris, Moscow, Minsk, London, Oslo, Stockholm, Helsinki, Chiang Mai, Tokyo, Osaka, Rotterdam, Vienna etc.

Daniel Löwenbrück founded the label Tochnit Aleph in 1994 publishing music-records and editions of Musique Concrete, Sound Poetry, Artist-Records & -Multiples and Noise Music. He works with & published works by Hermann Nitsch, Artur Zmijewski, Rudolf Eb.er, Gerhard Rühm, Hartmut Geerken, Wolf Vostell, Jean Dubuffet, Marc Zeier / G*Park, Henri Chopin, Dieter Roth, Dorothy Iannone, Franz Mon, Michael Barthel, Dominik Steiger, Valeri Scherstjanoi, Toine Horvers, Roman Signer, etc

Since 2008 Löwenbrück curates Rumpsti Pumsti (Musik) in Berlin, a store specialized in Artist-Records, Sound Poetry, Conceptual Sound Art, Contemporary Classical Music and the Noise Subculture.

Until January 2017 Rumpsti Pumsti (Musik) was also an art space hosting exhibitions of works by Wolf Vostell, Toine Horvers, Roman Signer, Michael Barthel, Jürgen Eckloff, Gerhard Rühm, Valeri Scherstjanoi, Hartmut Geerken, Hermann Nitsch, Christina Kubisch, Franz Graf, Seiji Morimoto, Stephen Cornford, Mario de Vega, and many others.