Z

 

Zero Level
This is a standard reference audio level used when discussing relative levels. Commonly the zero levels are chosen to be 1 mW. This corresponds to 0.775 volts RMS across a 600 Ohm resistance.

Zither
A musical instrument composed of strings mounted upon a resonate frame, strings can be plucked with fingers or struck using small mallets.

There's only two ways to sum up music: either it's good or it's bad. If it's good you don't mess about it;”