Versions also exist for saxophone, double bass, clarinet, horn, flugelhorn, flute, oboe, bassoon, trombone, and percussion.
The piece is in F major in 6/4 time, with the piano playing rising crotchet triads and the second instrument playing slow F major scales, alternately rising and falling, of increasing length, which all end on the note A (the mediant of F).
[1] The structure of the melody is made by a pair of phrases characterized by the alternation between ascending and descending movement with the fulcrum on the note A.
[2][3] The piece has been used in television, film, and theatre including: Spiegel im Spiegel was recorded by Gidon Kremer and Elena Kremer in December 1979 and featured on the 1980 album Konzert nach dem Konzert on the Eurodisc label.
The tempo of the second version is faster at 85 bpm (andante) and gives the sense of pushing forward.