grace slick

In 1968 Grace Slick, lead vocalist for the Jefferson Airplane, recorded a freeform piece with the Mothers Of Invention.  'Would You Like A Snack' (Zappa, Slick) can be found on the 1992 album / box by the Jefferson Airplane and also on the cd release of "Crown Of Creation".

• jefferson airplane: loves you
      (1992, 3cd, usa, rca 07863 61110-2) - incl.'would you like a snack' (zappa, slick)
  
• jefferson airplane: crown of creation
      (2003, cd, eu, rca / bmg 82876 53226 2) - incl.'would you like a snack' (zappa, slick)