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- Imaginary Landscape No. 1 (1939)
- Imaginary Landscape No. 2 (March) (1942)
- Imaginary Landscape No. 3 (1942)
- Imaginary Landscape No. 4 (March No. 2) (1951)
- for 24 performers at 12 radios
All of the Imaginary Landscape pieces include instruments or other elements requiring electricity. Although all five of the Imaginary Landscape pieces were included in a Mode recording of "Percussion Works I", two of the pieces do not use percussion as such. The booklet included with the aforementioned Mode recording includes a quote from Cage; "It's not a physical landscape. It's a term reserved for the new technologies. It's a landscape in the future. It's as though you used technology to take you off the ground and go like Alice through the looking glass."
The Mode recording includes two versions of No. 4 and No. 5. One version of No. 5 uses period jazz recordings which would have been available to Cage at the time he composed it, and the other version uses recordings of Cage's work. The Mode recording of the Landscapes is No. 43 in their series of CDs of Cage's work, so the previous 42 recordings provide the correct number needed for a realization of No. 5.
Imaginary Landscape No. 1 was written in 1939 at the Cornish College of the Arts in Seattle, Washington. The work premiered on March 24, 1939 at Cornish College by John Cage, Xenia Cage, Doris Dennison, and Margaret Jansen. Scored for four performers who play a muted piano and cymbal as well as two variable-speed phonographs with amplifiers, the piece is important for being one of the first examples of electroacoustic music.
- Kostelanetz, Richard. 1986. "John Cage and Richard Kostelanetz: A Conversation about Radio". The Musical Quarterly.72 (2): 216-227.
- John Cage Imaginary Landscape No. 1 Media Art Net (Retrieve December 14, 2007)
- Imaginary Landscape No.1 John Cage database (Retrieve December 14, 2007)
- Recording of Imaginary Landscape No. 1 at Media Art Net
- John Cage "Imaginary Landscape No. 1" on YouTube