How to start looping--one man's view

["T.W. Hartnett" <hartnett.t@apple.com>]

What do I need to start looping?

Three things:
¥ Something to make sound (usually a musical instrument, often a guitar or 
keyboard)
¥ Something to repeat the sounds you've made (a delay line, usually 
digital)
¥ Something to amplify/reproduce the horrible sounds that result (an amp, 
PA, speaker cabinets, headphones)

A practical example of one of the simplest looping rigs would be an 
electric guitar, plugged into digital delay, at least 2000ms worth, and a 
guitar amp.  Say, a Stratocaster plugged into