ok, i have recordings of the 1851 final versions of the 12 tranc.i have the 1826 first drafts, BUT, i need to find a recording of all 12 1838 version, the grand etudes... i need the most fiery and technically flawless one, if it even exists, cause i cant find it !!!also, i have the score to all 1851, but i would like to find scores for the 26' and 38' versions, anywhere online? to buy? to download?thanks...