附註:The 1st work for piano and orchestra; the 2nd work for 15 solo instruments.
Eds. recorded: Milano : Ricordi (Manzoni) ; Wien : Universal Edition(Schoenberg).
Compact disc (indexed); digital recording.
Durations: 19:32 ; 22:12.
Booklet contains program notes in Italian by Piero Santi (1st work) and in German by Klaus Hinrich Stahmer (2nd work) with English, French,German, and Italian translations.