Make a cassette loop for about 6 seconds: As some of the commenters note, this could be used for old school loop-based effects. Exactly HOW you’d do that is not covered, of course.
The Time Correction Wiki: Described as a website “dedicated to the study and practice of time correction techniques in audio engineering and music production.” I didn’t realize the field warranted such in depth examination, but then I also wasn’t aware of the distinction between perfect and irrational looping.
Which DAW is best for you?: It’s ad-ridden, but this article on Digital Pro Sound highlights the similarities and (rapidly diminishing) differences between 5 of the main DAW software pacakges: Protools, Acid Pro, Audition, Sonar, and Cubase.