From 1984 onwards, he was active as a DJ in the Cologne music scene, where he initially played independent music. From 1989 onwards, he increasingly turned to electronic music. Together with Sascha Kösch, then the editor-in-chief of the expired music magazine de:Bug, he founded the Cosmic Orgasm Soundsystem in 1990. Together they performed at the first techno and acid parties and initially became known to a larger audience in the Cologne area. From 1991 to 1993 Reinhold was part of the DJ team of the Frankfurt label Force Inc. Music Works with Ian Pooley, Tonka, Alec Empire and Thomas P. Heckmann.
From 1994 to 1998, Reinhold worked as a music critic for the magazines Spex and Frontpage. During this time, he wrote more than 3500 record reviews[1] and interviewed numerous artists, such as the rather interview-shy Aphex Twin and was photographed by Wolfgang Tillmans when labeling Analog Bubble Bath III with Richard James.. After the insolvency of Frontpage, he founded the unofficial Frontpage successor de:Bug, the Zeitschrift für elektronische Lebensaspekte (magazine for electronic aspects of life), with Sascha Kösch, Mercedes Bunz and Benjamin Weiss.
Reinhold performed live with the Finnish music project Pan Sonic and played at events of the Chemnitz label Raster-Noton together with Carsten Nicolai. For seven years he was active in the environment of the Cologne record shop Kompakt. Riley was resident DJ at the Berlin club Elektro, run by Daniel Pflumm, and later also played at its successor Panasonic. As Triple R, he released the Red Flare EP on Peter Wacha’s Disko B label in 1994. Under the name RRR, the 12 Rendezvous / Chat was released in 1995 on the Elektro Music Department (EMD) label run by Daniel Pflumm, Klaus Kotai and Gabriele Loschelder.

In 1998 Reinhold was in Argentina for the German Goethe Institute. His acquaintance with the country’s electronic music scene led to a collaboration with numerous Argentinian musicians. As a reaction to this experience[2], he founded the Traum Schallplatten label in the same year together with his then girlfriend and now wife Jacqueline (DJ Anima). The first release on Traum was the compilation CD Elektronische Musik aus Buenos Aires (Electronic Music from Buenos Aires), which presented Argentinian techno and electro musicians who were largely unknown in Europe until then.
Traum gave rise to the sub-label Trapez in 2000 and the label My Best Friend (MBF) in 2003. In addition to releases by Gabriel Ananda, Dominik Eulberg, Extrawelt and Minilogue, Reinhold’s own releases also appeared and from 2002 the DJ mix series Selection. The Cologne label Kompakt released the mix CD Friends in 2002 and later his first album Friends are Silence on My Best Friend. With the Briton Steve Barnes, records appeared under the name Cosmic Sandwich, on which he mostly acted in the background.

In 1999, Riley had the weekly radio show Tiefklang on the radio station Station Evosonic. In 2005, Reinhold became resident DJ at the Cologne club Sensor. Since then, he has mainly played records internationally and plays annually at the Berlin techno club Berghain/Panorama Bar.
Together with Steve Barnes, he released several singles in 2003 as Riley Reinhold & Steve Barnes and under the alias Odyssey. With Jorge Gebauhr he released two records in 2004 under the pseudonym Toro. In 2007 Reinhold was again active as a cultural ambassador for the Goethe-Institut. In Estonia, he presented Electronic Music from North Rhine-Westphalia[3] with the DJ Martin Juhls.
Since 2008, he has concentrated more on his own productions in addition to his A&R work for the Traum and MBF labels. This was also followed by work with artists such as Tim Fehske, who produced videos for Roland M. Dill, [a]pendics.shuffle, Dilo and Reinhold.
In 2009 Reinhold produced a remix for the New York band LCD Soundsystem, whose album 45:33 was released on DFA Records.[4] In the same year he founded the dream sub-label Paintwork.
In 2010, Reinhold began releasing Black Timbre (MBF ltd 12020), for which multiple Adolf Grimme Award winner and documentary filmmaker Thomas Schmitt produced a video for the track I Remember. In April 2010, the single Hollow Hills with remixes by Parisian Gohan and Cologne-based Oeler was released on My Best Friend Ltd. In 2011, he signed British producer Max Cooper for seven releases.
With his Traum Label nights, he made guest appearances together with Dominik Eulberg and friends in various German clubs, such as the Hamburg club Uebel & Gefährlich as well as Cologne clubs like Artheater, Heinz Gaul, Kunstwert and Zimmermanns.
In 2012, he was portrayed as part of a contribution by Creative NRW. In the same year, he launched the compilation series Tour De Traum and won new producers for the Traum label. His collaboration with the Cologne producer duo Salz led to more activity for the techno-dub label Telrae.
His signing of artist like Max Cooper, Ryan Davis, MIcrotrauma, Nick Dow created a new impact for the label and the compilation Tour De Traum became his passion, selecting every years around 40 artist for a summer and winter edition. One of the main intentions for him is to install a social quality with the label where artists feel welcomed and where an algorythm is not overruling decisions.

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