Credo in Us (1942). John Cage /they are not hooks/

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From the new John Cage recording by Percussion Group Cincinnati:

CAGE ON ORIGINAL INSTRUMENTS: First modern recording to utilize Cage’s specified 78-rpm test tone records played on variable-speed phono turntables (Imaginary Landscapes Nos. 1 & 2), and 78-rpm records (Credo in US).

And from the NewMusicBox review of the recording:  

Indeed, the principal difference between the works by Cage which employ others' musical materials and latter-day musical appropriations are that the materials, in and of themselves, do not fundamentally shape the sound world of Cage's pieces. They are not "hooks" as they are in pop tunes, or even integral ingredients in a larger formal scheme as they are in the music of John Oswald (e.g. Pluderphonics) or Gregg Gillis (a.k.a. Girl Talk)

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