Complex sentence: The unfinished "Dies irae" was first published in 1974 and first performed in Hamburg on 3November 1979 by Yoko Kawahara, Marga Höffgen,, Nikolaus Hillebrand, the NDR Chor and NDR Sinfonieorchester, conducted by Roland Bader.
Split into simpler sentences: The unfinished "Dies irae" was first published in 1974. The "Dies irae" was first performed in Hamburg on 3 November 1979 by Yoko Kawahara, Marga Höffgen,, Nikolaus Hillebrand, the NDR Chor and NDR Sinfonieorchester, conducted by Roland Bader.