13 Karlheinz Stockhausen - Spiral: II Album: Avantgarde - CD 19 Holliger: Siebengesang / Stockhausen: SpiralArtist: Various Artists Listen and download
14 Karlheinz Stockhausen - Spiral: III Album: Avantgarde - CD 19 Holliger: Siebengesang / Stockhausen: SpiralArtist: Various Artists Listen and download
12 Karlheinz Stockhausen - Spiral: I Album: Avantgarde - CD 19 Holliger: Siebengesang / Stockhausen: SpiralArtist: Various Artists Listen and download