Karl Bühler explains that the desire for function is a specific relation between pleasure in function. ... the pleasure of function - is a kind of self-effacing pleasure -> the intention to do something without pursuing a specific purpose
The piece is the fourth in the sequence, which elaborates this theme from the source material of the first piece .funktionslust - for kantele and electronics (left channel).
The piece is a prolongation of the harmonic process, in a complex aleatoric structure, using the noise qualities of the instrumental techniques.The cast is divided into two groups: piano and others. The piano takes over the dominant function.