tenor, guitar, mixed chorus (2) - vibraphone (2) (or piano (2), or harp (2)), woodwinds ad libitum
Explanation of the instrumentation string
Guitar(s) and other plucked instruments
contrabass clarinet (or double bass clarinet)
contrabassoon (or double bassoon)
double bass (or contra bass)
The standard, accepted order of instrumentation for large ensembles: fl.ob.cl.bsn - hn.tpt.trbn.tba - perc - other - vlnI.vlnII.vla.vlc.db - tape, or electronics. Saxophones appear between clarinet and bassoon.
All other scorings (less than 8 instruments) are listed in full.
When an instrument is listed in parentheses, then this instrument is doubled. "guitar (=electric guitar)" means that the guitarist plays an acoustic, as well as an electric guitar. In an orchestral setting, "1(I=picc).2(II=corA).2(II=bcl).1" would resolve to: 1 flute (also playing piccolo), 2 oboes (second oboe also playing cor anglais), 2 clarinets (second clarinet also playing bass clarinet), 1 bassoon. If there is an extra instrument, which is not doubled, then this is expressly written out, e.g. "1(I=picc).2.corA.2.bcl.1.dbn", which unravels to: 1 flute (also playing piccolo), 2 oboes, 2 clarinets, 1 bass clarinet, 1 bassoon, 1 double bassoon.
Solo instruments in a concerto or chamber setting are written out in front of the ensemble instruments: guitar - 18.104.22.168 - 22.214.171.124 - perc - strgs.
Guitar in the Ensemble
Rudolf Steiner (in Danish, German)
Sweden, Lysekil Kyrka, 18 November 1973: Ingolf Olsen, tenor and guitar / Collegium Musicum / Göteborgs Kammarkör, Gunnar Eriksson (cond.)
Also wood wind instruments ad libitum. The first Danish performance took place in Holmens Kirke, Copenhagen on May 18, 1974. Per Nørgård suggests two more versions (from the Score): 1) for T, Guitar, mix ch consisting of the movements I, II, IV, VIII and VI ; 2) for 2mix ch, 2vib consisting of the movements II, V and VII.