"Electronic music." . . "Musique aléatoire." . . "kammermusik." . . . . "Wergo Schallplatten (Firme)$, prod." . . "Musique concrète." . . "Manhattan Percussion Ensemble." . . "Manhattan Percussion Ensemble" . "She is asleep" . . "The 25-Year Retrospective Concert of the Music of John Cage" . . . . . . . . . . . . "Wonderful widow of eighteen springs" . . . . . . . . . . "The 25-year retrospective concert of the music of John Cage"@en . "The 25-year retrospective concert of the music of John Cage" . . "Son" . . . . "sange" . . . "The 25-Year Retrospective Concert of Music of John Cage : recorded in performance at Town Hall, New York, May 15, 1958" . . . . "The 25-year [twenty-five-year] retrospective concert of the music of John Cage" . . "vokal" . . . "Imaginary landscape, Nr. 1" . . "Sonaten und Interludien, Kl, 1948" . "Twenty-five-year retrospective concert of the music of John Cage" . "Twenty-five-year retrospective concert of the music of John Cage"@en . "elektronisk musik" . . "Recorded at Town Hall, New York City, May 15, 1958." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Inventionen, 1933" . . . . . . "Twenty five year retrospective concert of the music of John Cage" . . . . . . . . . . "25-year retrospective concert of the music of John Cage Recorded in performance at Town Hall, New York, May 15, 1958" . . . . . . "The 25 year retrospective concert of the music of John Cage" . . . . . . . . . . . . "Streaming audio" . . . . . . . . . . . . . "Music by gay composers"@en . . . "klaverkoncert" . . "klaversonate" . . "Williams mix" . . . . . . "The 25-year retrospective concert of the music of John Cage recorded in performance at Town Hall, New York, May 15, 1958"@en . "kammermusik" . "The 25-year retrospective concert of the music of John Cage recorded in performance at Town Hall, New York, May 15, 1958" . . . . . . . . . . . "klaver" . . . . . . . . . . . . . . "The 25-year retrospective concert recorded in performance at Town Hall, New York, May 15, 1958"@en . . . "alt" . "The 25-Year Retrospective Concert Of The Music Of John Cage" . . . . . . . . . . "atonalitet" . "Music for carillon no. 1. 2 octaves" . . "25 year retrospective concert of the music of John Cage"@en . "Constructions, Nr. 1" . "Konzerte, Kl Orch, 1958" . . . . . "Musical settings" . . "The 25-Year retrospective concert of the music of John Cage" . . . . . "instrumental" . . "Instrumental music." . . "klaver." . . "1940-1949." . . "klaverkoncert." . . "USA." . . "Musique vocale." . . "elektronisk musik." . . "instrumental." . . "sange." . . "Musique instrumentale." . . "vokal." . . "1900 - 1999" . . "Septets (Clarinet, flute, trumpet, violin, violas (2), cello)" . . "atonalitet." . . "klaversonate." . . "Vocal music." . . "alt." . . "1950-1959." . . "1930-1939." . .