sp. Quartet FX, phonogram recording: Dmitry Cheglakov (cello), Tatyana Vymyatnina (pedalless harp), Anastasia Braudo (voice), Iraida Yusupova (voice), Yaroslav Sadovsky (voice, electric bass), Yana and Lana Aksenov (sound performance) , Antonio Gramsci (harps), Elizaveta Alekseeva (ecotara)