Between Takes: The 'Kind Of Blue' Sessions : NPR Music

Morning Edition, January 29, 2009 - These days, an official request to review the reel-to-reel tapes from a typical Columbia Records recording session in the late '50s — say Johnny Mathis, Duke Ellington or Doris Day — brings up boxes upon boxes of reels. But Miles Davis' Kind of Blue sessions hardly dented the tape budget. Three reels of Scotch 190, at the time a workhorse product of the recording industry, hold all that was recorded at those two historic dates in 1959.