One could write an essay on the stylistic consistency of the sounds that DJ Premier digs for samples and loops.  On one hand, it seems impossible that one might find a sample in a song such as the following, but once you hear the movement in the samples that he is going for (another example would be Above the Clouds), the sounds achieve consistency in the Deleuzian sense:
http://www.whosampled.com/sample/view/11515/Gang%20Starr%20feat.%20M.O.P.-1/2%20%26%201/2_Jimmy%20Webb-Gymnast%27s%20Ballet%20%28Fingerpainting%29/