Z (Dweezil & Ahmet Zappa)
Z is the work of the sons of Frank Zappa, Ahmet & Dweezil. They originally hoped to name the band using both their initials -- AZ/DZ, but their lawyers recommended against it...
Be aware that there is more than one artist named "Z" in the database. If a track appears on a trace compilation, it's probably not this particular Z.