• Limited Edition Cassette

    Each copy comes with a handcrafted j-card consisting of an original cutout from one of 14 individual ink paintings on japanese calligraphy paper and a print of the whole painting.

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Our third release features one of the most vibrant guitar players of the Berlin Echtzeitmusik scene: Sean Derrick Cooper Marquardt the creator of the “accidental guitar method”. This tape is compilating a fine selection of classics and some of his latest recordings. Marquardt’s music creates sonic environments ranging from minimalistic steppes over distorted mountains into ambient seas.

This tape is for quality time of contemplation.

“Accidental Guitar” is a holistic and grounded concept that includes three main aspects. The first of these is the creation of sounds and sound worlds by combining the guitar with distortion effects – a type of “routing” or “mapping” technique where the musician does not lose himself, however, but instead works in a deliberate manner with the tools available to him. The second dimension of “Accidental Guitar” is improvisation – an approach that Cooper Marquardt has chosen, systematically rejecting predetermined choreographies and all forms of rehearsal or planning. This applies not only to live performances, but also when making recordings in his studio. Finally, the third dimension to this concept is the specific situation that the musician encounters when playing: the atmosphere and setting, the persons, conditions and moods present in the space in question lead to a contextualisation of his music.”


released July 1, 2015

Music by Sean Derrick Cooper Marquardt.

Idea and Design by GRT.



Gravity´s Rainbow Tapes Berlin, Germany

label for tape releases based in Berlin.
Founded as a tribute to Thomas Pynchon by sound-artists Thomas Radam and Benjamin Duester , it’s focus lies on releasing documents of non-music defined as all forms of non-traditional development processes. All releases are based on devotion to the medium and subject. They come in small amounts to guarantee a high standard of D.I.Y. quality ... more

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