Those Orange Things In The Back

These sites contain a wealth of useful information and further reading about the timpani-

• Yamaha's instrument guide, a reference that discusses basics and more advanced technique like mallet selection
• Vic Firth Percussion 101: Timpani, much like their other video series, this is a collection of videos from Vic Firth percussion about technique, tuning, and more
• "A discussion of the physics of timpani", hosted on Georgia State University's HyperPhysics project