turntable dc motor regulator circuit

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I need some advice about my plan to use a dc motor just to rotate the catridge at 33 & 45 rpm. I've found some schemes, but puzzled, for example, the cw and ccw modes in the first plus the two modes for operation. Also veracity of them.
As I want just to move the catridge, not the platter, I'll look for a lighter capacity motor, kindly specify the ratings I should look for.
 

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