How about these?

Bone vs. Plastic saddles: More Resonance?

Zen and the Art of Tuning your 12 String Guitar

Finger-callous Maintenance

Fast String Changing in front of an Audience

What to say when you just dropped your best friend's Martin on the Basement Floor

5 Reasons not to Let your Friend Tune your Banjo

How to Know When Everyone's Irritated by your Bodhran Playing

7 Guitar Tips Cat Stevens Taught to Gram Parsons

Does Lubricating your Guitar Hole Eliminate Painful Chipping and Cracking?

Which Way to Turn the Tuning Keys while Re-stringing your Guitar

Effective Dusting Under the Bridge:Key to a Well-maintained Instrument