Before ProTools, MPCs and Sony Acid, the options for sampling and looping forced musicians to be a little more creative, not with just their music, but the process of recording as well.  In this short excerpt from The Making of the Dark Side of the Moon, Pink Floyd members discuss how the loop for “Money” was created.  First, each sound was recorded directly to tape, then the tape was physically cut into 7 pieces of equal length, one for each sound effect.  Those pieces of tape were spliced together, and the newly created roll of tape was fed into a Revox, and ran around a mic-stand.

and just for good measure, here is the original video of Pink Floyd – Money