What Is Perfect Pitch?
What Is Perfect Pitch? Absolute pitch, widely referred to as perfect pitch, is the ability to identify by ear, or to sing, any musical note with extreme accuracy and...
Read MoreWhat Is Perfect Pitch? Absolute pitch, widely referred to as perfect pitch, is the ability to identify by ear, or to sing, any musical note with extreme accuracy and...
Read MoreWhen Was the Stethoscope Invented? The stethoscope was invented by a French doctor, René Théophile Hyacinthe Laënnec, in 1816. It consisted of a wooden tube and was...
Read More