The orchestra is splitted into 4 characteristic mixed instrumental groups by the conductor. The number of instruments should be equal in every group. A conductor and a co-conductor is needed. The piece should be played in 4 different rooms or a big lobby. The world premiere took place in the Beethoven-Halle in Bonn/GER. The groups were divided by the composer as follows:
I: 1 tuba, 2 tbn, 2 bs, 3 hr - 1 perc (2 timp, mar) - conductor (ob) - 2 ob, 2 tpt, 2 Kl, 2 fl, vib
II: cb(2), vc(3), vla(4) - conductor (harmonium) - vln.II(5), vln.I(6)
III: conductor (pno) - 1 tbn, cb(2), 1 bs, vc(2), 2 hr, vla(2), 1 ob, 1 tpt, vln.II(2), 1 Kl, vln.I(2), 1 fl
Iv: cb(2), vc(3), vla(3) - conductor (acc or chromatic harmonica) - vln.II(4), vln.I(7)