The piece contains many innovative uses of polytonality, cluster chords and extended uses of form.

[1] It was during this time that Rautavaara had become disenchanted with the serialist and twelve-tone techniques of his previous works, and abandoned them in favor of a more idiosyncratic, romantic, and avant-garde style.

The first movement, Con grandezza, begins with a piano solo.

The orchestra joins abruptly after, imitating the piano intro.

The piano and orchestra bounce themes off of each other, before a large climax, where the pianist is instructed to slam their arm on the keyboard to simulate a 3-octave wide cluster chord.