Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects.

Flea 47:
A condenser microphone that has both cardioid and omni polar patterns.
Reference Cardioid:
A tube microphone that has a center-fixed cardioid-only capsule with a thicker gauge (6 micron) gold sputtered diaphragm.