Here is the promotion video of all 4 kinds of V-Drums TD Series.

Instructor and drummer is Akira Yamazaki
Guest drummer is Omar Hakim.

Detail explanations of
V-Pro Series TD-20K-S
V-Stage Series TD-12KS-BK
V-Tour Series TD-6KW-S
V-Compact Series TD-3KW-S

http://media.roland.com/rja/mov/V-Drums2/01L.html