Here are some excerpts from my book “Time in My Hands”
Sixteenth Notes Intro
Sixteenth notes
Two Sixteenths one Eighth
Eight Two Sixteenths
Eighth Note Sixteenth Combination
Rolls Intro Closed
8trh 16ths Combination Duet
Intro to reading and playing closed rolls
All 16th combinations
Sweet 16ths
Types of Rolls
Several Words About Rolls and Grips
Open Roll Explanation