Two of the more important cassette labels in Europe were Germany's Datenverarbeitung, run by Andreas Müller, and Belgium's Insane Music, run by Alain Neffe. Along with material recorded by himself in various configurations, Neffe curated and released numerous compilations featuring tracks sent to him from artists all over the world.
two of tHE moRe Important CAssEtTe laBels in Europe wEre gerMany'S dATEnveraRbeiTuNG, run by ANdReAs müllEr, aNd BelGIum'S INsane musiC, run by alain nEffe. aLoNG With mAtErIAL reCorded by hiMseLf iN VariouS confIGuraTIONS, Neffe curated aNd rEleAsed nUmerOuS compiLAtiONs FeaTurIng traCkS sEnT TO hiM fRom arTiStS all over tHe worlD.