This is V Drums TD-3KV-S free dvd.

Introducer is Marty Freedman, ex-Megadeth guitarist.
Instructor and drummer is MASAKing, a very cool professional drummer and percussionist.

Contents

Introduction to some sounds (open rock, hip hop, jazz)
Rhythm coach function (time check, quiet count)
Live performance by MASAKing

http://media.roland.com/rja/mov/band/03/1024.html