Logic Pro 9 Can detect tempo map out of stereo drum track?

#1
Does anyone know how to detect tempo information out of a two tracked "or stereo mix drum track " in Logic.
I want to copy the Tempo map " feel" of a song recorded without a click track .
 
#3
Sometimes people got other ways do things, i hoped somebody had a smarter way than what it stands in the manual. Sorry! anyway i use logic 9.
 
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