朗読が入った音源、SPシリーズ。僅か４枚で終了。
ECM SP series (12 inch LP)
ECM 2305 801 SP Peter Ruhmkorf - Kein Apolloprogramm Fur Lyrik 1976 [LP]
ECM 2305 802 SP Peter Ruhmkorf - Phonix Voran 1978 [LP]
ECM 2305 803 SP Michael Naura, Wolfgang Schluter - Country Children 1980[LP]
ECM 2305 804 SP Stephan Micus - Koan 1981[LP]
